Is CVE-2008-6504 in the CISA KEV catalog?

No. CVE-2008-6504 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-6504?

CVE-2008-6504 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2008-6504?

CVE-2008-6504 has an EPSS score of 39.40% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2008-6504

MEDIUMEPSS 98th pctl

5.0

CVSS v2

NVD

Description

ParametersInterceptor in OpenSymphony XWork 2.0.x before 2.0.6 and 2.1.x before 2.1.2, as used in Apache Struts and other products, does not properly restrict # (pound sign) references to context objects, which allows remote attackers to execute Object-Graph Navigation Language (OGNL) statements and modify server-side context objects, as demonstrated by use of a \u0023 representation for the # character.

CWE-20Improper Input Validation

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

39.40%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.