4.4
MEDIUM
CVE-2021-34758
Cisco TelePresence Collaboration Endpoint and Cisco RoomOS Denial of Service Memory Management Vulnerability
Description

A vulnerability in the memory management of Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software could allow an authenticated, local attacker to corrupt a shared memory segment, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient access controls to a shared memory resource. An attacker could exploit this vulnerability by corrupting a shared memory segment on an affected device. A successful exploit could allow the attacker to cause the device to reload. The device will recover from the corruption upon reboot.

INFO

Published Date :

Oct. 6, 2021, 8:15 p.m.

Last Modified :

Nov. 7, 2023, 3:36 a.m.

Remotely Exploitable :

No

Impact Score :

2.5

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-34758 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco roomos
2 Cisco telepresence_collaboration_endpoint
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-34758.

URL Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-tpce-rmos-mem-dos-rck56tT Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-34758 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-34758 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3 Cisco Systems, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
    Added CVSS V3.1 Cisco Systems, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
  • Initial Analysis by [email protected]

    Oct. 14, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-tpce-rmos-mem-dos-rck56tT No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-tpce-rmos-mem-dos-rck56tT Vendor Advisory
    Added CWE NIST CWE-732
    Added CPE Configuration OR *cpe:2.3:a:cisco:telepresence_collaboration_endpoint:*:*:*:*:*:*:*:* versions up to (excluding) 10.7.2 *cpe:2.3:o:cisco:roomos:*:*:*:*:*:*:*:* versions up to (excluding) 10.7.1.2
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability