How severe is CVE-2010-5144?

CVE-2010-5144 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-5144 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-5144?

CVE-2010-5144 primarily affects Websense. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-5144?

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

When was CVE-2010-5144 published?

CVE-2010-5144 was published on 2012-08-23 and last updated on 2026-06-16.

CVE-2010-5144

CVE-2010-5144 is a medium-severity vulnerability in Websense 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Websense
Published: 2012-08-23
Last modified: 2026-06-16

Description

The ISAPI Filter plug-in in Websense Enterprise, Websense Web Security, and Websense Web Filter 6.3.3 and earlier, when used in conjunction with a Microsoft ISA or Microsoft Forefront TMG server, allows remote attackers to bypass intended filtering and monitoring activities for web traffic via an HTTP Via header.

Frequently asked questions

What is CVE-2010-5144?: The ISAPI Filter plug-in in Websense Enterprise, Websense Web Security, and Websense Web Filter 6.3.3 and earlier, when used in conjunction with a Microsoft ISA or Microsoft Forefront TMG server, allows remote attackers to bypass intended filtering and monitoring activities for web traffic via an HTTP Via header.
How severe is CVE-2010-5144?: CVE-2010-5144 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-5144 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-5144?: CVE-2010-5144 primarily affects Websense. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-5144?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-5144 published?: CVE-2010-5144 was published on 2012-08-23 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:websense:websense:*:-:enterprise:*:*:*:*:*
cpe:2.3:a:websense:websense:6.3.0:-:enterprise:*:*:*:*:*
cpe:2.3:a:websense:websense:6.3.1:-:enterprise:*:*:*:*:*
cpe:2.3:a:websense:websense_web_security:6.3.0:*:*:*:*:*:*:*
cpe:2.3:a:websense:websense_web_security:6.3.1:*:*:*:*:*:*:*
cpe:2.3:a:websense:websense_web_security:6.3.3:*:*:*:*:*:*:*
cpe:2.3:a:websense:websense_web_filter:*:*:*:*:*:*:*:*
cpe:2.3:a:websense:websense_web_filter:6.3.0:*:*:*:*:*:*:*
cpe:2.3:a:websense:websense_web_filter:6.3.1:*:*:*:*:*:*:*

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