How severe is CVE-2012-6661?

CVE-2012-6661 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-6661 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-6661?

CVE-2012-6661 primarily affects Plone. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-6661?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-6661 published?

CVE-2012-6661 was published on 2014-11-03 and last updated on 2026-06-16.

CVE-2012-6661

CVE-2012-6661 is a medium-severity vulnerability in Plone with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Plone
Published: 2014-11-03
Last modified: 2026-06-16

Description

Zope before 2.13.19, as used in Plone before 4.2.3 and 4.3 before beta 1, does not reseed the pseudo-random number generator (PRNG), which makes it easier for remote attackers to guess the value via unspecified vectors. NOTE: this issue was SPLIT from CVE-2012-5508 due to different vulnerability types (ADT2).

Frequently asked questions

What is CVE-2012-6661?: Zope before 2.13.19, as used in Plone before 4.2.3 and 4.3 before beta 1, does not reseed the pseudo-random number generator (PRNG), which makes it easier for remote attackers to guess the value via unspecified vectors. NOTE: this issue was SPLIT from CVE-2012-5508 due to different vulnerability types (ADT2).
How severe is CVE-2012-6661?: CVE-2012-6661 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-6661 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-6661?: CVE-2012-6661 primarily affects Plone. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-6661?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-6661 published?: CVE-2012-6661 was published on 2014-11-03 and last updated on 2026-06-16.

References

Affected products (65)

cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.7:*:*:*:*:*:*:*

More vulnerabilities in Plone

CVE-2021-33509 — Critical (CVSS 9.9): Plone through 5.2.4 allows remote authenticated managers to perform disk I/O via crafted keyword arguments to the…
CVE-2020-35190 — Critical (CVSS 9.8): The official plone Docker images before version of 4.3.18-alpine (Alpine specific) contain a blank password for a root…
CVE-2020-7941 — Critical (CVSS 9.8): A privilege escalation issue in plone.app.contenttypes in Plone 4.3 through 5.2.1 allows users to PUT (overwrite) some…
CVE-2011-4030 — Critical (CVSS 9.3): The CMFEditions component 2.x in Plone 4.0.x through 4.0.9, 4.1, and 4.2 through 4.2a2 does not prevent the…
CVE-2011-3587 — Critical (CVSS 9.3): Unspecified vulnerability in Zope 2.12.x and 2.13.x, as used in Plone 4.0.x through 4.0.9, 4.1, and 4.2 through 4.2a2,…
CVE-2021-33926 — High (CVSS 8.8): An issue in Plone CMS v. 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.1rc2, 5.1rc1, 5.1b4, 5.1b3, 5.1b2, 5.1a2, 5.1a1, 5.1.7,…

All CVEs affecting Plone →

Other CWE-310 (Cryptographic Issues) vulnerabilities

CVE-2014-7878 — Critical (CVSS 10.0): The Application Lifecycle Service (ALS) in HP Helion Cloud Development Platform 1.0, when a virtual machine is derived…
CVE-2013-3712 — Critical (CVSS 10.0): SUSE Studio Onsite 1.3.x before 1.3.6 and SUSE Studio Extension for System z 1.3 uses "static" secret tokens, which has…
CVE-2013-6952 — Critical (CVSS 10.0): The Belkin WeMo Home Automation firmware before 3949 has a hardcoded GPG key, which makes it easier for remote…
CVE-2013-6838 — Critical (CVSS 10.0): An unspecified Enghouse Interactive Professional Services "addon product" in Enghouse Interactive IVR Pro (VIP2000)…
CVE-2013-0137 — Critical (CVSS 10.0): The default configuration of the Digital Alert Systems DASDEC EAS device before 2.0-2 and the Monroe Electronics R189…
CVE-2011-5123 — Critical (CVSS 10.0): The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not check whether X.509 certificates in…

Browse all CWE-310 (Cryptographic Issues) vulnerabilities →