What’s Vulnerable › Vulnerabilities

CVE-2011-4462

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-12-30 · updated 2026-06-16
• Weakness: CWE-20

Description

Plone 4.1.3 and earlier computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.

Affected products

• Plone CMS: through 4.1.3; 1.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5 (+55)

References

• http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
• http://secunia.com/advisories/47406
• http://www.kb.cert.org/vuls/id/903934
• http://www.nruns.com/_downloads/advisory28122011.pdf
• http://www.ocert.org/advisories/ocert-2011-003.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/72018
• http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
• http://secunia.com/advisories/47406
• http://www.kb.cert.org/vuls/id/903934
• http://www.nruns.com/_downloads/advisory28122011.pdf
• http://www.ocert.org/advisories/ocert-2011-003.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/72018

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