Multiple vulnerabilities in Cisco IP Phone 6861

1) Input validation error

EUVDB-ID: #VU53154

Risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-24586

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists in the 802.11 standard due to the affected device does not clear its cache/memory to remove fragments of an incomplete MSDU/MMPDU from previous session after reconnection/reassociation. A remote attacker on the local network can perform a fragment cache attack and perform a denial of service (DoS) attack.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco IP Phone 6861: All versions

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ip_phone_6861:*:*:*:*:*:*:*:

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx62884

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU53096

Risk: Low

CVSSv3.1: 6 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-24587

CWE-ID: N/A

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Windows Wireless Networking. A remote attacker on the local network can gain unauthorized access to sensitive information on the system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco IP Phone 6861: All versions

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ip_phone_6861:*:*:*:*:*:*:*:

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx62884

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Spoofing attack

EUVDB-ID: #VU53098

Risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-24588

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in Windows Wireless Networking. A remote attacker on the local network can spoof page content.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco IP Phone 6861: All versions

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ip_phone_6861:*:*:*:*:*:*:*:

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx62884

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Input validation error

EUVDB-ID: #VU53174

Risk: Low

CVSSv3.1: 6 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-26139

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to forwarding EAPOL frames even though the sender is not yet authenticated. A remote attacker on the local network can cause a denial of service (DoS) condition on the target system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco IP Phone 6861: All versions

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ip_phone_6861:*:*:*:*:*:*:*:

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx62884

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Input validation error

EUVDB-ID: #VU53161

Risk: Low

CVSSv3.1: 5.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-26140

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the WEP, WPA, WPA2, and WPA3 implementations accept plaintext frames in a protected Wi-Fi network. A remote attacker on the local network can inject arbitrary data frames independent of the network configuration.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco IP Phone 6861: All versions

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ip_phone_6861:*:*:*:*:*:*:*:

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx62884

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Input validation error

EUVDB-ID: #VU53176

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-26141

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the Wi-Fi implementation does not verify the Message Integrity Check (authenticity) of fragmented TKIP frames. A remote attacker on the local network can inject and possibly decrypt packets in WPA or WPA2 networks that support the TKIP data-confidentiality protocol.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco IP Phone 6861: All versions

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ip_phone_6861:*:*:*:*:*:*:*:

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx62884

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Input validation error

EUVDB-ID: #VU53175

Risk: Low

CVSSv3.1: 5.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-26142

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the WEP, WPA, WPA2, and WPA3 implementations treat fragmented frames as full frames. A remote attacker on the local network can inject arbitrary network packets, independent of the network configuration.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco IP Phone 6861: All versions

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ip_phone_6861:*:*:*:*:*:*:*:

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx62884

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Input validation error

EUVDB-ID: #VU53166

Risk: Low

CVSSv3.1: 5.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-26143

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the WEP, WPA, WPA2, and WPA3 implementations accept fragmented plaintext frames in a protected Wi-Fi network. A remote attacker on the local network can inject arbitrary data frames independent of the network configuration.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco IP Phone 6861: All versions

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ip_phone_6861:*:*:*:*:*:*:*:

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx62884

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Spoofing attack

EUVDB-ID: #VU53097

Risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-26144

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in Windows Wireless Networking. A remote attacker on the local network can spoof page content.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco IP Phone 6861: All versions

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ip_phone_6861:*:*:*:*:*:*:*:

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx62884

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Input validation error

EUVDB-ID: #VU53155

Risk: Low

CVSSv3.1: 5.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-26145

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the WEP, WPA, WPA2, and WPA3 implementations accept second (or subsequent) broadcast fragments even when sent in plaintext and process them as full unfragmented frames. A remote attacker on the local network can inject arbitrary network packets independent of the network configuration.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco IP Phone 6861: All versions

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ip_phone_6861:*:*:*:*:*:*:*:

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx62884

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Input validation error

EUVDB-ID: #VU53167

Risk: Low

CVSSv3.1: 5.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-26146

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the WPA, WPA2, and WPA3 implementations reassemble fragments with non-consecutive packet numbers. A remote attacker on the local network can exfiltrate selected fragments.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco IP Phone 6861: All versions

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ip_phone_6861:*:*:*:*:*:*:*:

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx62884

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Input validation error

EUVDB-ID: #VU53172

Risk: Low

CVSSv3.1: 5.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-26147

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the WEP, WPA, WPA2, and WPA3 implementations reassemble fragments even though some of them were sent in plaintext. A remote attacker on the local network can inject packets and/or exfiltrate selected fragments

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Cisco IP Phone 6861: All versions

CPE2.3

• cpe:2.3:h:cisco_systems:cisco_ip_phone_6861:*:*:*:*:*:*:*:

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx62884

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.