Home/CVE/The web framework on Cisco Web Security Appliance (WSA), Email Security Appliance (ESA), and Content Security Management
CVE

CVE-2013-5537

The web framework on Cisco Web Security Appliance (WSA), Email Security Appliance (ESA), and Content Security Management

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.

HIGH · CVSS 7.8 EPSS 0.00393
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

3
cisco web security applianceall versions
cisco content security management applianceall versions
cisco email security appliance firmwareall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v2 (legacy) · psirt@cisco.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Published to NVD24 Oct 2013 · 10:53 AM
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5537Vendor Advisory
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