Multiple vulnerabilities in Cisco Small Business RV160, 260, and 340 Series VPN Routers



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID N/A
CWE-ID CWE-912
CWE-798
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Cisco RV340 Dual WAN Gigabit VPN Router
Hardware solutions / Routers & switches, VoIP, GSM, etc

Cisco Small Business RV 260 Series VPN Router
Hardware solutions / Routers & switches, VoIP, GSM, etc

Cisco Small Business RV160 Series VPN Router
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Hidden functionality

EUVDB-ID: #VU20874

Risk: Medium

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:Green]

CVE-ID: N/A

CWE-ID: CWE-912 - Hidden Functionality (Backdoor)

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system

The vulnerability exists due to hidden functionality (backdoor) is present in software. A remote authenticated attacker with access to the base operating system can use this functionality to view undocumented user accounts on an affected device. These accounts include debug-admin and root accounts.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco RV340 Dual WAN Gigabit VPN Router: 1.0.00.33 - 1.0.02.16

Cisco Small Business RV 260 Series VPN Router: 1.0.00.13 - 1.0.00.15

Cisco Small Business RV160 Series VPN Router: 1.0.00.13 - 1.0.00.15

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190904-sb-vpnrouter


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

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) Use of hard-coded credentials

EUVDB-ID: #VU20875

Risk: High

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:Amber]

CVE-ID: N/A

CWE-ID: CWE-798 - Use of Hard-coded Credentials

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code. A remote authenticated attacker with access to the base operating system can access the affected system and elevate privileges to these users: root, debug-admin, cisco, admin, and guest. 

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco RV340 Dual WAN Gigabit VPN Router: 1.0.00.33 - 1.0.02.16

Cisco Small Business RV 260 Series VPN Router: 1.0.00.13 - 1.0.00.15

Cisco Small Business RV160 Series VPN Router: 1.0.00.13 - 1.0.00.15

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190904-sb-vpnrouter


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

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.



###SIDEBAR###