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CVE-2009-3291
The php_openssl_apply_verification_policy function in PHP before 5.2.11 does not properly perform certificate validation, which has…
- 7.5HighCVSS base score
- 2.9%Exploitation in 30 daysEPSS · top 13% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The php_openssl_apply_verification_policy function in PHP before 5.2.11 does not properly perform certificate validation, which has unknown impact and attack vectors, probably related to an ability to spoof certificates.
Timeline
ID reserved
By mitre
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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)
- 2.9% · top 13% of all CVEs (11 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.
Affected products
n/a
- affected n/a
References
References17
- http://www.php.net/ChangeLog-5.php#5.2.11 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 37482 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 40262 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- HPSBUX02543 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- SSRT090208 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- http://www.php.net/releases/5_2_11.php (opens in a new tab)x_refsource_CONFIRMx_transferred
- php-certificate-unspecified(53334) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 1022914 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 36791 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-1940 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- oval:org.mitre.oval:def:10438 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- ADV-2009-3184 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 58185 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- oval:org.mitre.oval:def:7394 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- APPLE-SA-2009-11-09-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- SUSE-SR:2009:017 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://support.apple.com/kb/HT3937 (opens in a new tab)x_refsource_CONFIRMx_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)
- EUVD EUVD-2009-3273 (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://cveledger.app/cve/CVE-2009-3291)Record last updated .