Read the docs
TI-2011-04298 Aliases CVE-2011-5021GHSA-7wvf-mh83-33ww

PHPIDS before 0.7 does not properly implement Regular Expression Denial of Service…

Priority LOW 36CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-94.

Summary

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.

Why it matters now

EPSS 0.01346 71st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:phpids:phpids:*:*:*:*:*:*:*:*up to 0.6.5VulnerablePhpids
cpe:2.3:a:phpids:phpids:0.6.4:*:*:*:*:*:*:*0.6.4VulnerablePhpids
  • cpe:2.3:a:phpids:phpids:*:*:*:*:*:*:*:* Versions up to 0.6.5 Vulnerable ·Phpids
  • cpe:2.3:a:phpids:phpids:0.6.4:*:*:*:*:*:*:* Versions 0.6.4 Vulnerable ·Phpids

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-5021
  2. 2026-10-03 Alias added: GHSA-7wvf-mh83-33ww

References

Other 1

  • TI-2011-03338 PHPIDS 0.6.5 allows remote attackers to obtain sensitive information via a direct request… CVSS 2.0MEDIUM 5.0
  • TI-2007-03472 PHPIDS does not properly handle certain code containing newlines, as demonstrated by a… CVSS 2.0MEDIUM 4.3
  • TI-2007-03471 PHPIDS before 20070703 does not properly handle setting the .text property of a SCRIPT… CVSS 2.0MEDIUM 4.3
  • TI-2007-03470 PHPIDS before 20070703 does not properly handle (1) arithmetic expressions and (2)… CVSS 2.0MEDIUM 4.3
  • TI-2007-03469 PHPIDS before 20070703 does not properly handle use of the substr method in (1)… CVSS 2.0MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences