How severe is CVE-2014-2137?

CVE-2014-2137 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2014-2137 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-2137?

CVE-2014-2137 primarily affects Cisco Web Security Virtual Appliance. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-2137?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-2137 published?

CVE-2014-2137 was published on 2014-04-02 and last updated on 2026-06-17.

CVE-2014-2137

CVE-2014-2137 is a medium-severity vulnerability in Cisco Web Security Virtual Appliance with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Web Security Virtual Appliance
Published: 2014-04-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2014-2137?: 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.
How severe is CVE-2014-2137?: CVE-2014-2137 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2014-2137 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2137?: CVE-2014-2137 primarily affects Cisco Web Security Virtual Appliance. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2137?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-2137 published?: CVE-2014-2137 was published on 2014-04-02 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:cisco:web_security_virtual_appliance:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:7.1.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:7.1.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:7.1.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:7.5.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_virtual_appliance:7.5.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:web_security_appliance:-:*:*:*:*:*:*:*

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