VULNERABILITY INTELLIGENCE

CVE-2013-5537

CVSS score7.8 HIGH
EPSS probability1.33%
CISA KEVNot currently listed
Published2013-10-24
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C

Description

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.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references