What’s Vulnerable › Vulnerabilities
CVE-2011-5021
- Severity: high (CVSS 7.5 v2.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2011-12-29 · updated 2026-06-16
- Weakness: CWE-94
Description
PHPIDS before 0.7 does not properly implement Regular Expression Denial of Service (ReDoS) filters, which allows remote attackers to bypass rulesets and add PHP sequences to a file via unspecified vectors.
Affected products
- Phpids: through 0.6.5; 0.6.4
References
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