plone: hash table collisions CPU usage DoS (oCERT-2011-003)
Published Dec 30, 2011
8.7
HIGHCVSS 4.0
EPSS 3.22%
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
No data.
- ≤ 4.1.3
- 1.0
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.4
- 1.0.5
- 1.0.6
- 2.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.1
- 2.1.1
- 2.1.2
- 2.1.3
- 2.1.4
- 2.5
- 2.5.1
- 2.5.2
- 2.5.3
- 2.5.4
- 2.5.5
- 3.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.1
- 3.1.1
- 3.1.2
- 3.1.3
- 3.1.4
- 3.1.5.1
- 3.1.6
- 3.1.7
- 3.2
- 3.2.1
- 3.2.2
- 3.2.3
- 3.3
- 3.3.1
- 3.3.2
- 3.3.3
- 3.3.4
- 3.3.5
- 3.3.6
- 4.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.0.7
- 4.0.9
- 4.1
- 4.1.1
- 4.1.2
No data.
Red Hat Enterprise Linux 5
conga
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | conga | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS: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/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.22% (0.03220) | 87.79th | v5 (v2026.06.15) |
| Jul 22, 2026 | 3.34% (0.03341) | 87.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.15% (0.02153) | 79.71th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.89% (0.00893) | 73.94th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.87% (0.01871) | 88.89th | v3 (v2023.03.01) |
| Jul 10, 2024 | 1.87% (0.01871) | 88.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.87% (0.01871) | 86.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (12)
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html mailing-listx_refsource_BUGTRAQ
- http://secunia.com/advisories/47406 third-party-advisoryx_refsource_SECUNIA
- http://www.kb.cert.org/vuls/id/903934 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.nruns.com/_downloads/advisory28122011.pdf x_refsource_MISC
- http://www.ocert.org/advisories/ocert-2011-003.html x_refsource_MISC
- https://access.redhat.com/security/cve/CVE-2011-4462 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=781683 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72018 vdb-entryx_refsource_XF
- https://github.com/advisories/GHSA-pcwm-8jc3-qxvj Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2011-22.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2011-4462
- https://www.cve.org/CVERecord?id=CVE-2011-4462
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html | mailing-listx_refsource_BUGTRAQ | |
| http://secunia.com/advisories/47406 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.kb.cert.org/vuls/id/903934 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.nruns.com/_downloads/advisory28122011.pdf | x_refsource_MISC | |
| http://www.ocert.org/advisories/ocert-2011-003.html | x_refsource_MISC | |
| https://access.redhat.com/security/cve/CVE-2011-4462 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=781683 | Issue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/72018 | vdb-entryx_refsource_XF | |
| https://github.com/advisories/GHSA-pcwm-8jc3-qxvj | Advisory | |
| https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2011-22.yaml | ||
| https://nvd.nist.gov/vuln/detail/CVE-2011-4462 | ||
| https://www.cve.org/CVERecord?id=CVE-2011-4462 |
Change history (0)
No recorded changes yet.