How severe is CVE-2009-2696?

CVE-2009-2696 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-2696 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2696?

CVE-2009-2696 affects Apache Tomcat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-2696?

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

When was CVE-2009-2696 published?

CVE-2009-2696 was published on 2010-08-05 and last updated on 2026-06-16.

CVE-2009-2696

CVE-2009-2696 is a medium-severity vulnerability in Apache Tomcat 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apache Tomcat
Published: 2010-08-05
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in jsp/cal/cal2.jsp in the calendar application in the examples web application in Apache Tomcat on Red Hat Enterprise Linux 5, Desktop Workstation 5, and Linux Desktop 5 allows remote attackers to inject arbitrary web script or HTML via the time parameter, related to "invalid HTML." NOTE: this is due to a missing fix for CVE-2009-0781.

Frequently asked questions

What is CVE-2009-2696?: Cross-site scripting (XSS) vulnerability in jsp/cal/cal2.jsp in the calendar application in the examples web application in Apache Tomcat on Red Hat Enterprise Linux 5, Desktop Workstation 5, and Linux Desktop 5 allows remote attackers to inject arbitrary web script or HTML via the time parameter, related to "invalid HTML." NOTE: this is due to a missing fix for CVE-2009-0781.
How severe is CVE-2009-2696?: CVE-2009-2696 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-2696 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2696?: CVE-2009-2696 affects Apache Tomcat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-2696?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2696 published?: CVE-2009-2696 was published on 2010-08-05 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*

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