Meeting Server
CVE-2023-20255
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Lifecycle Timeline
1DescriptionNVD
A vulnerability in an API of the Web Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP packets to an affected device. A successful exploit could allow the attacker to cause a partial availability condition, which could cause ongoing video calls to be dropped due to the invalid packets reaching the Web Bridge.
AnalysisAI
A vulnerability in an API of the Web Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-20. A vulnerability in an API of the Web Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP packets to an affected device. A successful exploit could allow the attacker to cause a partial availability condition, which could cause ongoing video calls to be dropped due to the invalid packets reaching the Web Bridge. Affected products include: Cisco Meeting Server.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
More in Meeting Server
View allA vulnerability in the Session Description Protocol (SDP) parser of Cisco Meeting Server could allow an unauthenticated,
A vulnerability in Cisco Meeting Server and Meeting App could allow an unauthenticated, remote attacker to execute arbit
A vulnerability in the Traversal Using Relay NAT (TURN) server included with Cisco Meeting Server (CMS) could allow an a
A vulnerability in the Extensible Messaging and Presence Protocol (XMPP) service of the Cisco Meeting Server (CMS) befor
A vulnerability in Cisco Meeting Server could allow an unauthenticated, remote attacker to conduct a cross-site request
A vulnerability in the web-based management interface of Cisco Meeting Server could allow an unauthenticated, remote att
An HTTP Packet Processing vulnerability in the Web Bridge interface of the Cisco Meeting Server (CMS), formerly Acano Co
A vulnerability in Cisco Meeting Server could allow an unauthenticated, remote attacker to gain unauthorized access to c
A vulnerability in the implementation of the H.264 protocol in Cisco Meeting Server (CMS) 2.1.4 could allow an unauthent
A vulnerability in an internal API of the Cisco Meeting Server (CMS) could allow an unauthenticated, remote attacker to
A vulnerability in Web Bridge for Cisco Meeting Server could allow an unauthenticated, remote attacker to retrieve memor
A vulnerability in an API of the Call Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote atta
Same weakness CWE-20 – Improper Input Validation
View allSame technique Denial Of Service
View allShare
External POC / Exploit Code
Leaving vuln.today