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CVE-2023-20091

MEDIUMCVSS 5.1/10EPSS 0.19%

Last modified

CVE-2023-20091 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. A vulnerability in the CLI of Cisco TelePresence CE and RoomOS could allow an authenticated, local attacker to overwrite arbitrary files on the local file system of an affected device. This vulnerability is due to improper access controls on files that are on the local file system. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system of an affected device. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

A vulnerability in the CLI of Cisco TelePresence CE and RoomOS could allow an authenticated, local attacker to overwrite arbitrary files on the local file system of an affected device. This vulnerability is due to improper access controls on files that are on the local file system. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system of an affected device. A successful exploit could allow the attacker to overwrite arbitrary files on the affected device. To exploit this vulnerability, an attacker would need to have a remote support user account. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Metrics

CVSS 3.1
5.1/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L

EPSS Probability
0.19%

9.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoTelepresence Collaboration Endpoint>= 9.0.0.0, < 9.15.17.4
CiscoRoomos>= 10.0.1.2, < 11.1.3.1

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2023-20091?
A vulnerability in the CLI of Cisco TelePresence CE and RoomOS could allow an authenticated, local attacker to overwrite arbitrary files on the local file system of an affected device. This vulnerability is due to improper access controls on files that are on the local file system. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system of an affected device. A successful exploit could allow the attacker to overwrite arbitrary files on the affected device. To exploit this vulnerability, an attacker would need to have a remote support user account. Cisco&nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
How severe is CVE-2023-20091?
CVE-2023-20091 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2023-20091?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-20091?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST