What is the CVSS score of CVE-2013-5537?

CVE-2013-5537 has a CVSS 2.0 base score of 7.8 (High). CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. EPSS exploitation probability: 0.4%.

Web Security Appliance CVE-2013-5537

HIGH

Improper Input Validation (CWE-20)

2013-10-24 psirt@cisco.com

Denial Of Service Cisco Web Security Appliance Content Security Management Appliance Email Security Appliance Firmware

7.8

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Confidentiality

None

Integrity

None

Availability

Lifecycle Timeline

CVE Published

Oct 24, 2013 - 10:53 cve.org

HIGH 7.8

DescriptionCVE.org

The web framework on Cisco Web Security Appliance (WSA), Email Security Appliance (ESA), and Content Security Management Appliance (SMA) devices does not properly manage the state of HTTP and HTTPS sessions, which allows remote attackers to cause a denial of service (management GUI outage) via multiple TCP connections, aka Bug IDs CSCuj59411, CSCuf89818, and CSCuh05635.

AnalysisAI

The web framework on Cisco Web Security Appliance (WSA), Email Security Appliance (ESA), and Content Security Management Appliance (SMA) devices does not properly manage the state of HTTP and HTTPS. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. The web framework on Cisco Web Security Appliance (WSA), Email Security Appliance (ESA), and Content Security Management Appliance (SMA) devices does not properly manage the state of HTTP and HTTPS sessions, which allows remote attackers to cause a denial of service (management GUI outage) via multiple TCP connections, aka Bug IDs CSCuj59411, CSCuf89818, and CSCuh05635. Affected products include: Cisco Web Security Appliance, Cisco Content Security Management Appliance, Cisco Email Security Appliance Firmware.

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.