Cisco TelePresence Collaboration Endpoint/RoomOS CLI symlink

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco TelePresence Collaboration Endpoint and RoomOS and classified as problematic. This issue affects some unknown processing of the component CLI. Executing a manipulation can lead to an unknown weakness. This vulnerability is handled as CVE-2023-20091. It is possible to launch the attack on the local host. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Cisco TelePresence Collaboration Endpoint and RoomOS (Unified Communication Software) (the affected version is unknown). This vulnerability affects an unknown code of the component CLI. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect integrity, and availability. CVE summarizes:

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.

The weakness was released 04/19/2023 as cisco-sa-roomos-file-write-rHKwegKf. The advisory is available at sec.cloudapps.cisco.com. This vulnerability was named CVE-2023-20091. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.4
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.1
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
04/19/2023 +174 days 🔍
04/19/2023 +0 days 🔍
07/30/2025 +833 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-roomos-file-write-rHKwegKf
Status: Confirmed

CVE: CVE-2023-20091 (🔍)
GCVE (CVE): GCVE-0-2023-20091
GCVE (VulDB): GCVE-100-226846

Entryinfo

Created: 04/19/2023 21:28
Updated: 07/30/2025 20:32
Changes: 04/19/2023 21:28 (36), 05/14/2023 08:58 (1), 07/30/2025 20:32 (29)
Complete: 🔍
Cache ID: 216::103

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