Cisco TelePresence Collaboration Endpoint/RoomOS CLI symlink

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco TelePresence Collaboration Endpoint and RoomOS. It has been rated as problematic. The impacted element is an unknown function of the component CLI. This manipulation causes an unknown weakness. The identification of this vulnerability is CVE-2023-20093. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Cisco TelePresence Collaboration Endpoint and RoomOS (Unified Communication Software) (version unknown) and classified as problematic. Affected by this vulnerability is an unknown function 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. The summary by CVE is:

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 shared 04/19/2023 as cisco-sa-roomos-file-write-rHKwegKf. The advisory is shared at sec.cloudapps.cisco.com. This vulnerability is known as CVE-2023-20093. Neither technical details nor an exploit are publicly 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: 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

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-2023-20093 (🔍)
GCVE (CVE): GCVE-0-2023-20093
GCVE (VulDB): GCVE-100-226849

Entryinfo

Created: 04/19/2023 21:29
Updated: 07/30/2025 20:32
Changes: 04/19/2023 21:29 (36), 05/14/2023 09:05 (1), 07/30/2025 20:32 (29)
Complete: 🔍
Cache ID: 216::103

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