CVE-2008-0555

Name: CVE-2008-0555
Creator: NVD / NIST
Published: 2008-04-04T00:44:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.87%

Last modified Jun 16, 2026

CVE-2008-0555 is a vulnerability of currently unknown severity. The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) '/' and (2) '=' characters in a Distinguished Name (DN) in a client certificate, which might allow remote attackers to bypass authentication via a crafted DN that triggers overwriting of environment variables.. EPSS estimates a 1.87% chance of exploitation in the next 30 days.

Description

The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) '/' and (2) '=' characters in a Distinguished Name (DN) in a client certificate, which might allow remote attackers to bypass authentication via a crafted DN that triggers overwriting of environment variables.

Metrics

EPSS Probability

1.87%

76.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apache-Ssl	Apache-Ssl	1.3.34_1.57

References

Timeline

Published: Apr 4, 2008
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2008-0555?

How severe is CVE-2008-0555?

Severity scoring for CVE-2008-0555 is pending analysis. The EPSS model estimates a 1.87% probability of exploitation in the next 30 days.

How do I fix CVE-2008-0555?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2008-0555?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST