Improper Certificate Validation in Cisco Expressway Series Software and Cisco TelePresence Video Communication Server
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-20814 |
| CWE-ID | CWE-295 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Expressway Series Server applications / Conferencing, Collaboration and VoIP solutions TelePresence Video Communication Server (VCS) Other software / Other software solutions |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper Certificate Validation
EUVDB-ID: #VU67967
Risk: Medium
CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-20814
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 a lack of validation of the SSL server certificate. A remote attacker can perform a man-in-the-middle (MitM) attack and view the intercepted traffic in clear text or alter the contents of the traffic.
MitigationInstall updates from vendor's website.
Vulnerable software versionsExpressway Series: 14.0
TelePresence Video Communication Server (VCS): 14.0
CPE2.3- cpe:2.3:a:cisco_systems:expressway_series:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:expressway_series:14.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:telepresence_video_communication_server_vcs:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:telepresence_video_communication_server_vcs:14.0:*:*:*:*:*:*:*
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.
