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.
Does this matter?
Lower severity and a low EPSS score (2.38%). Track it; it rarely justifies an emergency change on its own.
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).
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
- EPSS
- 2.38% probability · 84th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- plone/plone · zope/zope
- Source
- cve@mitre.org
EPSS 2.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.openwall.com/lists/oss-security/2012/11/10/1
- https://bugs.launchpad.net/zope2/+bug/1071067Exploit
- https://github.com/plone/Products.CMFPlone/blob/4.2.3/docs/CHANGES.txt
- https://plone.org/products/plone-hotfix/releases/20121124
- https://plone.org/products/plone/security/advisories/20121106/24Vendor Advisory
- http://www.openwall.com/lists/oss-security/2012/11/10/1
- https://bugs.launchpad.net/zope2/+bug/1071067Exploit
- https://github.com/plone/Products.CMFPlone/blob/4.2.3/docs/CHANGES.txt
- https://plone.org/products/plone-hotfix/releases/20121124
- https://plone.org/products/plone/security/advisories/20121106/24Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.