Every CVE Search/ Get API key

CVE-2011-4462

Plone Denial of Service vulnerability

5.0 MediumFix available

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.

Exploit likelihood

3.22%Up 1.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

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.

Record
CVE-2011-4462
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2011-4462
Updated
2026-11-02
EUVDEUVD-2011-0022 No score

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.

Record
EUVD-2011-0022
Updated
2026-11-03
GitHub AdvisoriesGHSA-pcwm-8jc3-qxvj 8.7

Plone Denial of Service vulnerability

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.

Record
GHSA-pcwm-8jc3-qxvj
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-20
Updated
2026-11-02
OSVGHSA-pcwm-8jc3-qxvj 8.7

Plone Denial of Service vulnerability

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.

Record
GHSA-pcwm-8jc3-qxvj
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-20
Updated
2026-11-02
OSVPYSEC-2011-22 No score

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.

Record
PYSEC-2011-22
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
plone
PyPI
before 4.1.4
4.1.4
plone
PyPI
before 4.1.4, plus listed versions
3.23.2.13.2.23.2.33.2a1
Show 45 moreShow less
3.2rc13.33.3.13.3.23.3.33.3.43.3.53.3.63.3b13.3rc13.3rc23.3rc33.3rc43.3rc54.04.0.14.0.104.0.24.0.34.0.44.0.54.0.64.0.74.0.84.0.94.0a14.0a24.0a34.0a44.0a54.0b14.0b24.0b34.0b44.0b54.0rc14.14.1.14.1.24.1.34.1a14.1a24.1a34.1b14.1b2
4.1.4

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-4462 is a medium vulnerability (CVSS 5.0) in Plone, published December 30, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.22%, the 88th percentile. Fixed in plone 4.1.4.

References

Show 4 moreShow less
This page doesn't list everything

Left out here: 2 versions. The JSON record has them.

MoveEnter Open