VDB-226848 · CVE-2023-20092 · GCVE-0-2023-20092

Cisco TelePresence Collaboration Endpoint/RoomOS CLI symlink

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3.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Cisco TelePresence Collaboration Endpoint and RoomOS. It has been declared as problematic. The affected element is an unknown function of the component CLI. The manipulation results in an unknown weakness. This vulnerability was named CVE-2023-20092. The attack needs to be approached locally. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cisco TelePresence Collaboration Endpoint and RoomOS (Unified Communication Software) (version now known). Affected is some unknown processing of the component CLI. CWE is classifying the issue as 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. This is going to have an impact on integrity, and availability. CVE summarizes:

Three vulnerabilities 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. These vulnerabilities are due to improper access controls on files that are on the local file system. An attacker could exploit these vulnerabilities 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 these vulnerabilities, an attacker would need to have a remote support user account. Note: CVE-2023-20092 does not affect Cisco DX70, DX80, TelePresence MX Series, or TelePresence SX Series devices. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

The weakness was presented 04/19/2023 as cisco-sa-roomos-file-write-rHKwegKf. The advisory is shared for download at sec.cloudapps.cisco.com. This vulnerability is traded as CVE-2023-20092. There are neither technical details nor an exploit publicly available.

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Productinfo

Type

Unified Communication Software

Vendor

Cisco

Name

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.8

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

CNA Base Score: 4.4
CNA Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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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-2023-20092 (🔍)
GCVE (CVE): GCVE-0-2023-20092
GCVE (VulDB): GCVE-100-226848

Entryinfo

Created: 04/19/2023 21:28
Updated: 07/30/2025 23:38
Changes: 04/19/2023 21:28 (36), 05/14/2023 09:02 (1), 07/30/2025 23:38 (29)
Complete: 🔍
Cache ID: 216::103