CVE-2022-20813: Multiple vulnerabilities in the API and in the web-based management interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server…

PriorityP337medium5.9CVSS 3.1

AVNACHPRNUINSUCHINAN

EPSS

1.03%

59.9th percentile

Multiple vulnerabilities in the API and in the web-based management interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow a remote attacker to overwrite arbitrary files or conduct null byte poisoning attacks on an affected device. Note: Cisco Expressway Series refers to the Expressway Control (Expressway-C) device and the Expressway Edge (Expressway-E) device. For more information about these vulnerabilities, see the Details section of this advisory.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
cisco	cisco_telepresence_video_communication_server_expressway	—	—
cisco	expressway	< x14.0.7	x14.0.7
cisco	expressway_series_and_cisco_telepresence_video_communication_server	—	—
cisco	telepresence_video_communication_server	< x14.0.7	x14.0.7

CVSS provenance

nvdv3.15.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N

vendor_cisco9.0CRITICAL

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.