Severity
8.6HIGH
EPSS
0.3%
top 46.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 1
Latest updateMay 13

Description

A vulnerability in the received packet parser of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) software could allow an unauthenticated, remote attacker to cause a reload of the affected system, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient size validation of user-supplied data. An attacker could exploit this vulnerability by sending crafted H.224 data in Real-Time Transport Protocol (RTP) packets in an H.323 call. An

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 3.9 | Impact: 4.0

Affected Packages3 packages

CVEListV5cisco_expressway_series_software_and_cisco_telepresence_vcs_software_all_versions_prior_to_version_x8.8.2_are_vulnerableCisco Expressway Series Software and Cisco TelePresence VCS Software All versions prior to version X8.8.2 are vulnerable
NVDcisco/expressway21 versions+20

🔴Vulnerability Details

2
GHSA
GHSA-4776-frm5-r3rr: A vulnerability in the received packet parser of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) software could allow2022-05-13
CVEList
CVE-2017-3790: A vulnerability in the received packet parser of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) software could allow2017-02-01

📋Vendor Advisories

1
Cisco
Cisco Expressway Series and TelePresence VCS Denial of Service Vulnerability2017-01-25
CVE-2017-3790 (HIGH CVSS 8.6) | A vulnerability in the received pac | cvebase.io