Vulnerability · Published Oct 6, 2021 · Assigned by cisco

CVE-2021-34758Cisco TelePresence Collaboration Endpoint and RoomOS Software Denial of Service Vulnerability

Medium 4.4

In plain English

A medium-severity incorrect permission assignment in Cisco RoomOS Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)4.4Medium

Exploit odds (30 days)0.2%top 91.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco RoomOS Software	n/a

Weakness: CWE-732 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

References

20211006 Cisco TelePresence Collaboration Endpoint and RoomOS Software Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO