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CVE-2008-0555
The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) '/' and (2) '=' characters in a…
High7.5EPSS 1.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 1.9% · top 21% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (10)
- 3797 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- http://www.cynops.de/advisories/CVE-2008-0555.txt (opens in a new tab)x_refsource_MISCx_transferred
- ADV-2008-1079 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://www.apache-ssl.org/advisory-cve-2008-0555.txt (opens in a new tab)x_refsource_MISCx_transferred
- apachessl-expandcert-information-disclosure(41618) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 28576 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.klink.name/security/aklink-sa-2008-005-apache-ssl.txt (opens in a new tab)x_refsource_MISCx_transferred
- 29644 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1019784 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20080402 ANNOUNCE: Apache-SSL security release - apache_1.3.41+ssl_1.59 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2008-0555)Record last updated .