{"cve":"CVE-2012-6661","nvd":{"published":"2014-11-03T22:55:05.930","modified":"2026-06-16T23:48:34.410","status":"Modified","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_v4":null,"cvss_v3":null,"cwes":["CWE-310"],"references":["http://www.openwall.com/lists/oss-security/2012/11/10/1","https://bugs.launchpad.net/zope2/+bug/1071067","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/20121106/24"],"products":["plone:plone","zope:zope"],"source":"nvd","synced_at":"2026-10-19T20:34:45.729216538+00:00"},"epss":{"cve":"CVE-2012-6661","score":0.0238,"percentile":0.83893,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-48vv-2pmq-9fvv","url":"https://osv.dev/vulnerability/GHSA-48vv-2pmq-9fvv","summary":"Plone and Zope2 do not reseed pseudo-random number generator","modified":"2024-10-09T21:26:04.047509Z","packages":[{"ecosystem":"PyPI","name":"zope2","purl":"pkg:pypi/zope2","ranges":["<2.13.19"],"fixed":["2.13.19"]},{"ecosystem":"PyPI","name":"plone","purl":"pkg:pypi/plone","ranges":[">=3.2.2 <4.2.3"],"fixed":["4.2.3"]},{"ecosystem":"PyPI","name":"plone","purl":"pkg:pypi/plone","ranges":[">=4.3a1 <4.3b1"],"fixed":["4.3b1"]}]},{"id":"PYSEC-2014-51","url":"https://osv.dev/vulnerability/PYSEC-2014-51","summary":"","modified":"2023-11-08T03:57:11.946374Z","packages":[{"ecosystem":"PyPI","name":"plone","purl":"pkg:pypi/plone","ranges":["<4.2.3",">=4.3a0 <4.3b1"],"fixed":["4.2.3","4.3b1"]}]},{"id":"PYSEC-2014-76","url":"https://osv.dev/vulnerability/PYSEC-2014-76","summary":"","modified":"2023-11-08T03:57:11.946374Z","packages":[{"ecosystem":"PyPI","name":"zope2","purl":"pkg:pypi/zope2","ranges":["<2.13.19"],"fixed":["2.13.19"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}