How severe is CVE-2011-3375?

CVE-2011-3375 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-3375 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3375?

CVE-2011-3375 primarily affects Apache Tomcat. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3375?

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

When was CVE-2011-3375 published?

CVE-2011-3375 was published on 2012-01-19 and last updated on 2026-06-16.

CVE-2011-3375

CVE-2011-3375 is a medium-severity vulnerability in Apache Tomcat with a CVSS 2.0 base score of 5.0. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Apache Tomcat
Published: 2012-01-19
Last modified: 2026-06-16

Description

Apache Tomcat 6.0.30 through 6.0.33 and 7.x before 7.0.22 does not properly perform certain caching and recycling operations involving request objects, which allows remote attackers to obtain unintended read access to IP address and HTTP header information in opportunistic circumstances by reading TCP data.

Frequently asked questions

What is CVE-2011-3375?: Apache Tomcat 6.0.30 through 6.0.33 and 7.x before 7.0.22 does not properly perform certain caching and recycling operations involving request objects, which allows remote attackers to obtain unintended read access to IP address and HTTP header information in opportunistic circumstances by reading TCP data.
How severe is CVE-2011-3375?: CVE-2011-3375 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-3375 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3375?: CVE-2011-3375 primarily affects Apache Tomcat. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3375?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3375 published?: CVE-2011-3375 was published on 2012-01-19 and last updated on 2026-06-16.

References

Affected products (26)

cpe:2.3:a:apache:tomcat:6.0.30:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.31:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.32:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:6.0.33:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.4:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.5:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.6:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.7:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.8:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.9:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.10:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.11:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.12:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.13:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.14:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.15:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.16:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.17:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.18:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.19:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.20:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:7.0.21:*:*:*:*:*:*:*

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