How severe is CVE-2008-0128?

CVE-2008-0128 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-0128 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-0128?

CVE-2008-0128 affects Apache Tomcat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-0128?

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

When was CVE-2008-0128 published?

CVE-2008-0128 was published on 2008-01-23 and last updated on 2026-06-16.

CVE-2008-0128

CVE-2008-0128 is a medium-severity vulnerability in Apache Tomcat with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-16.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 20% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-16
Affected product: Apache Tomcat
Published: 2008-01-23
Last modified: 2026-06-16

Description

The SingleSignOn Valve (org.apache.catalina.authenticator.SingleSignOn) in Apache Tomcat before 5.5.21 does not set the secure flag for the JSESSIONIDSSO cookie in an https session, which can cause the cookie to be sent in http requests and make it easier for remote attackers to capture this cookie.

Frequently asked questions

What is CVE-2008-0128?: The SingleSignOn Valve (org.apache.catalina.authenticator.SingleSignOn) in Apache Tomcat before 5.5.21 does not set the secure flag for the JSESSIONIDSSO cookie in an https session, which can cause the cookie to be sent in http requests and make it easier for remote attackers to capture this cookie.
How severe is CVE-2008-0128?: CVE-2008-0128 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2008-0128 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-0128?: CVE-2008-0128 affects Apache Tomcat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-0128?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-0128 published?: CVE-2008-0128 was published on 2008-01-23 and last updated on 2026-06-16.

References

Affected products (1)

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

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