Multiple vulnerabilities in Cisco Jabber Desktop and Mobile Client Software
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2021-1411 CVE-2021-1417 CVE-2021-1418 CVE-2021-1469 CVE-2021-1471 |
| CWE-ID | CWE-94 CWE-200 CWE-20 CWE-295 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Cisco Jabber for Windows Client/Desktop applications / Messaging software Cisco Jabber for MacOS Client/Desktop applications / Messaging software Cisco Jabber for Android and iOS Client/Desktop applications / Messaging software |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Code Injection
EUVDB-ID: #VU51722
Risk: Medium
CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-1411
CWE-ID:
CWE-94 - Improper Control of Generation of Code ('Code Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper validation of message content. A remote authenticated attacker can send specially crafted XMPP messages and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Jabber for Windows: 12.1 - 12.9
CPE2.3- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:12.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:12.5:*:*:*:*:*:*:*
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-jabber-PWrTATTC
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Information disclosure
EUVDB-ID: #VU51723
Risk: Low
CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-1417
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to improper validation of message content. A remote authenticated attacker can send specially crafted XMPP messages and gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Jabber for Windows: 12.1 - 12.9
CPE2.3- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:12.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:12.5:*:*:*:*:*:*:*
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-jabber-PWrTATTC
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Input validation error
EUVDB-ID: #VU51724
Risk: Low
CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-1418
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper validation of message content. A remote authenticated attacker can send specially crafted XMPP messages and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Jabber for Windows: 12.1 - 12.9
Cisco Jabber for MacOS: 12.7 - 12.9
Cisco Jabber for Android and iOS: 12.9
CPE2.3- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:12.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:12.5:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_macos:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_macos:12.7:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_macos:12.8:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_android_and_ios:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_android_and_ios:12.9:*:*:*:*:*:*:*
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-jabber-PWrTATTC
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Code Injection
EUVDB-ID: #VU51728
Risk: Low
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-1469
CWE-ID:
CWE-94 - Improper Control of Generation of Code ('Code Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to improper validation of message content. A remote administrator can send specially crafted XMPP messages and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Jabber for Windows: 12.1 - 12.9
CPE2.3- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:12.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:12.5:*:*:*:*:*:*:*
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-jabber-PWrTATTC
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Improper Certificate Validation
EUVDB-ID: #VU51727
Risk: Medium
CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-1471
CWE-ID:
CWE-295 - Improper Certificate Validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper validation of certificates. A remote attacker can use a specially crafted certificate and inspect or modify connections between the Cisco Jabber client and a server.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Jabber for Windows: 12.1 - 12.9
Cisco Jabber for MacOS: 12.7 - 12.9
Cisco Jabber for Android and iOS: 12.9
CPE2.3- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:12.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_windows:12.5:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_macos:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_macos:12.7:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_macos:12.8:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_android_and_ios:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:cisco_jabber_for_android_and_ios:12.9:*:*:*:*:*:*:*
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-jabber-PWrTATTC
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
