How severe is CVE-2010-4312?

CVE-2010-4312 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2010-4312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4312?

CVE-2010-4312 primarily affects Apache Tomcat. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-4312?

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

When was CVE-2010-4312 published?

CVE-2010-4312 was published on 2010-11-26 and last updated on 2026-06-16.

CVE-2010-4312

CVE-2010-4312 is a medium-severity vulnerability in Apache Tomcat with a CVSS 2.0 base score of 6.4. 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-16.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-16
Affected product: Apache Tomcat
Published: 2010-11-26
Last modified: 2026-06-16

Description

The default configuration of Apache Tomcat 6.x does not include the HTTPOnly flag in a Set-Cookie header, which makes it easier for remote attackers to hijack a session via script access to a cookie.

Frequently asked questions

What is CVE-2010-4312?: The default configuration of Apache Tomcat 6.x does not include the HTTPOnly flag in a Set-Cookie header, which makes it easier for remote attackers to hijack a session via script access to a cookie.
How severe is CVE-2010-4312?: CVE-2010-4312 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2010-4312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4312?: CVE-2010-4312 primarily affects Apache Tomcat. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-4312?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-4312 published?: CVE-2010-4312 was published on 2010-11-26 and last updated on 2026-06-16.

References

http://www.securityfocus.com/archive/1/514866/100/0/threaded

Affected products (27)

cpe:2.3:a:apache:tomcat:6.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.3:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.4:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.5:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.6:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.7:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.8:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.9:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.10:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.11:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.12:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.13:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.14:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.15:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.16:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.17:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.18:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.19:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.20:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.24:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.26:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.27:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.28:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.29:*:*:*:*:*:*:*

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