What’s Vulnerable › Vulnerabilities

CVE-2014-2137

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-04-02 · updated 2026-06-17
• Weakness: CWE-20

Description

CRLF injection vulnerability in the web framework in Cisco Web Security Appliance (WSA) 7.7 and earlier allows remote attackers to inject arbitrary HTTP headers and conduct redirection attacks via a crafted URL, aka Bug ID CSCuj61002.

Affected products

• Cisco Web Security Appliance (WSA): all versions
• Cisco Web Security Virtual Appliance: through 7.7; 7.1.0, 7.1.1, 7.1.2, 7.1.3, 7.1.4, 7.5.0 (+1)

References

• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-2137
• http://tools.cisco.com/security/center/viewAlert.x?alertId=33608
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-2137
• http://tools.cisco.com/security/center/viewAlert.x?alertId=33608

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