CVE-2023-20091
CVE-2023-20091 is a medium-severity vulnerability in Cisco Telepresence Collaboration Endpoint with a CVSS 3.x base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-61.
Key facts
- Severity: Medium (CVSS 3.x base score 5.1)
- EPSS exploit prediction: 0% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-24270
- Weakness: CWE-61
- Affected product: Cisco Telepresence Collaboration Endpoint
- Published:
- Last modified:
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.
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 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 3.x base score of 5.1, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
- Is CVE-2023-20091 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-20091?
- CVE-2023-20091 primarily affects Cisco Telepresence Collaboration Endpoint. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-20091?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-20091 have an EU (EUVD) identifier?
- Yes. CVE-2023-20091 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-24270.
- When was CVE-2023-20091 published?
- CVE-2023-20091 was published on 2024-11-15 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:cisco:telepresence_collaboration_endpoint:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:roomos:*:*:*:*:*:*:*:*
More vulnerabilities in Cisco Telepresence Collaboration Endpoint
- CVE-2019-15288 — High (CVSS 8.8): A vulnerability in the CLI of Cisco TelePresence Collaboration Endpoint (CE), Cisco TelePresence Codec (TC), and Cisco…
- CVE-2022-20783 — High (CVSS 7.5): A vulnerability in the packet processing functionality of Cisco TelePresence Collaboration Endpoint (CE) Software and…
- CVE-2019-15289 — High (CVSS 7.5): Multiple vulnerabilities in the video service of Cisco TelePresence Collaboration Endpoint (CE) and Cisco RoomOS…
- CVE-2020-3336 — High (CVSS 7.2): A vulnerability in the software upgrade process of Cisco TelePresence Collaboration Endpoint Software and Cisco RoomOS…
- CVE-2022-20793 — Medium (CVSS 6.8): A vulnerability in pairing process of Cisco TelePresence CE Software and RoomOS Software for Cisco Touch 10…
- CVE-2023-20090 — Medium (CVSS 6.7): A vulnerability in Cisco TelePresence CE and RoomOS could allow an authenticated, local attacker to elevate privileges…
All CVEs affecting Cisco Telepresence Collaboration Endpoint →
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