---
id: CVE-2023-20091
title: >-
  Cisco TelePresence Collaboration Endpoint and RoomOS Software Arbitrary File
  Overwrite Vulnerability
summary: "Multiple vulnerabilities in Cisco TelePresence Collaboration Endpoint (CE) and Cisco RoomOS could allow an attacker to elevate privileges, overwrite arbitrary files, or view sensitive data on an affected device.\r\n\r\nFor more information abo…"
severity: medium
cvss: 5.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L'
cvssSource: vendor
vendor: Cisco
product: Cisco TelePresence Endpoint Software (TC/CE)
affected:
  - telepresence_endpoint_software_tc_ce
  - roomos_software
published: '2023-04-19'
updated: '2023-04-19'
sourceUpdated: '2023-04-19T16:00:00+00:00'
source: CSAF
sourceUrl: >-
  https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-roomos-file-write-rHKwegKf
references:
  - url: >-
      https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-roomos-file-write-rHKwegKf
  - url: 'https://software.cisco.com'
tags:
  - csaf
  - vendor-advisory
  - cisco
epss: 0.00194
epssPercentile: 0.09327
ingestedAt: '2026-09-08T15:58:18.537Z'
---

## Overview

Multiple vulnerabilities in Cisco TelePresence Collaboration Endpoint (CE) and Cisco RoomOS could allow an attacker to elevate privileges, overwrite arbitrary files, or view sensitive data on an affected device.

For more information about these vulnerabilities, see the Details ["#details"] section of this advisory.

Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

## Vendor advisories

- **cisco-sa-roomos-file-write-rHKwegKf** · Cisco · affected: Cisco TelePresence Endpoint Software (TC/CE), Cisco RoomOS Software · updated 2023-04-19 · [advisory](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-roomos-file-write-rHKwegKf)

**Cisco TelePresence Collaboration Endpoint and RoomOS Arbitrary File Write Vulnerabilities**. Released 2023-04-19.

Affected:

- Cisco TelePresence Endpoint Software (TC/CE)
- Cisco RoomOS Software

## Remediation

Cisco has released software updates that address this vulnerability. https://software.cisco.com