Vulnerability identifier: #VU22609
Vulnerability risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco TelePresence Codec (TC)
Server applications /
Conferencing, Collaboration and VoIP solutions
Cisco TelePresence Collaboration Endpoint (CE)
Hardware solutions /
Office equipment, IP-phones, print servers
Cisco RoomOS
Operating systems & Components /
Operating system
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to escalate privileges to an unrestricted user of the restricted shell.
The vulnerability exists due to insufficient validation of user-supplied input in the CLI. A remote authenticated attacker can include specific arguments when opening an SSH connection to an affected device and gain unrestricted user access to the restricted shell of an affected device.
Note: This vulnerability affects Cisco RoomOS Software releases earlier than RoomOS September Drop 1 2019 that have the SSH feature enabled.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco TelePresence Codec (TC): 7.1.1 - 7.3.18
Cisco TelePresence Collaboration Endpoint (CE): 9.0.1 - 9.8.0
Cisco RoomOS: All versions
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191106-telepres-roo...
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.