CVE-2013-5537

Cisco Web/Email/Content Security Appliances DoS via TCP Flood

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

EPSS 0.0133
EPSS Percentile 67.7%

Details

CWE
CWE-20
Status published
Products (3)
cisco/content_security_management_appliance
cisco/email_security_appliance_firmware
cisco/web_security_appliance
Published Oct 24, 2013
Tracked Since Feb 18, 2026