What is the CVSS score of CVE-2015-4316?

CVE-2015-4316 has a CVSS 2.0 base score of 5.5 (Medium). CVSS vector: AV:N/AC:L/Au:S/C:P/I:N/A:P. EPSS exploitation probability: 0.5%.

Telepresence Video Communication Server Software CVE-2015-4316

MEDIUM

Improper Input Validation (CWE-20)

2015-08-20 psirt@cisco.com

Cisco Information Disclosure Telepresence Video Communication Server Software

5.5

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:N/AC:L/Au:S/C:P/I:N/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:N/AC:L/Au:S/C:P/I:N/A:P

Attack Vector

Network

Attack Complexity

Low

Confidentiality

Integrity

None

Availability

Lifecycle Timeline

CVE Published

Aug 20, 2015 - 10:59 cve.org

MEDIUM 5.5

DescriptionCVE.org

The Mobile and Remote Access (MRA) endpoint-validation feature in Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2 improperly validates the phone line used for registration, which allows remote authenticated users to conduct impersonation attacks via a crafted registration, aka Bug ID CSCuv40396.

AnalysisAI

The Mobile and Remote Access (MRA) endpoint-validation feature in Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2 improperly validates the phone line used for registration,. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. The Mobile and Remote Access (MRA) endpoint-validation feature in Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2 improperly validates the phone line used for registration, which allows remote authenticated users to conduct impersonation attacks via a crafted registration, aka Bug ID CSCuv40396. Affected products include: Cisco Telepresence Video Communication Server Software.

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.