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CVE-2011-3379
The is_a function in PHP 5.3.7 and 5.3.8 triggers a call to the __autoload function, which makes it easier for remote attackers to execute…
High7.5EPSS 5.0%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The is_a function in PHP 5.3.7 and 5.3.8 triggers a call to the __autoload function, which makes it easier for remote attackers to execute arbitrary code by providing a crafted URL and leveraging potentially unsafe behavior in certain PEAR packages and custom autoloaders.
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)
- 5.0% · top 7.8% of all CVEs (2 Nov 2026)
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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 (7)
- https://bugzilla.redhat.com/show_bug.cgi?id=741020 (opens in a new tab)x_refsource_CONFIRMx_transferred
- HPSBMU02786 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- http://svn.php.net/viewvc/?view=revision&revision=317183 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugs.php.net/bug.php?id=55475 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20110923 Security issue is_a function in PHP 5.3.7+ (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 8525 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- http://www.byte.nl/blog/2011/09/23/security-bug-in-is_a-function-in-php-5-3-7-5-3-8/ (opens in a new tab)x_refsource_MISCx_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)
Record last updated .