{"id":"CVE-2011-2528","aliases":["EUVD-2011-0023","GHSA-p6h9-hpcg-c6gm","PYSEC-2011-25","PYSEC-2011-32","PYSEC-2026-764"],"status":"published","title":"High severity vulnerability that affects Plone and Zope2","description":"Unspecified vulnerability in (1) Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as used in Plone 4.x and other products, and (2) PloneHotfix20110720 for Plone 3.x allows attackers to gain privileges via unspecified vectors, related to a \"highly serious vulnerability.\" NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-0720.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02031,"percentile":0.81185,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2011-07-19T20:00:00Z","modified":"2026-07-09T16:56:21Z","fixes":[{"ecosystem":"PyPI","package":"plone","fixed_in":["3.3.6"],"sources":["ghsa","osv"]},{"ecosystem":"PyPI","package":"zope2","fixed_in":["2.12.19","2.13.8"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"plone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.2"},{"fixed":"3.3.6"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"zope2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.19"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"zope2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.13.0"},{"fixed":"2.13.8"}]}]},{"source":"osv","ecosystem":"PyPI","package":"plone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.2"},{"fixed":"3.3.6"}]}],"versions":["3.3.2","3.3.3","3.3.4","3.3.5"]},{"source":"osv","ecosystem":"PyPI","package":"zope2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.19"}]}],"versions":["2.12.0","2.12.1","2.12.10","2.12.11","2.12.12","2.12.13","2.12.14","2.12.15","2.12.16","2.12.17","2.12.18","2.12.2","2.12.3","2.12.4","2.12.5","2.12.6","2.12.7","2.12.8","2.12.9"]},{"source":"osv","ecosystem":"PyPI","package":"zope2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.13.0"},{"fixed":"2.13.8"}]}],"versions":["2.13.0","2.13.1","2.13.2","2.13.3","2.13.4","2.13.5","2.13.6","2.13.7"]},{"source":"osv","ecosystem":"PyPI","package":"plone","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3.2"},{"fixed":"3.3.6"}]}],"versions":["3.3.2","3.3.3","3.3.4","3.3.5"]},{"source":"osv","ecosystem":"PyPI","package":"zope2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.19"},{"introduced":"2.13.0"},{"fixed":"2.13.8"}]}],"versions":["2.12.0","2.12.1","2.12.10","2.12.11","2.12.12","2.12.13","2.12.14","2.12.15","2.12.16","2.12.17","2.12.18","2.12.2","2.12.3","2.12.4","2.12.5","2.12.6","2.12.7","2.12.8","2.12.9","2.13.0","2.13.1","2.13.2","2.13.3","2.13.4","2.13.5","2.13.6","2.13.7"]}],"products":[{"vendor":"plone","product":"plone"},{"vendor":"plone","product":"plone_hotfix_20110720"},{"vendor":"zope","product":"zope"}],"references":[{"url":"http://secunia.com/advisories/45056","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","web","advisory"]},{"url":"http://plone.org/products/plone/security/advisories/20110622","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","web","fix","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=718824","tags":["x_refsource_CONFIRM","x_transferred","Patch","web","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2011/07/12/9","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","web","fix"]},{"url":"https://mail.zope.org/pipermail/zope-announce/2011-June/002260.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","web","fix"]},{"url":"http://plone.org/products/plone-hotfix/releases/20110622","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","web","fix","advisory"]},{"url":"http://secunia.com/advisories/45111","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","web","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2011/07/04/6","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","web","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2528","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2011-25.yaml","tags":["web"]},{"url":"https://plone.org/products/plone-hotfix/releases/20110622","tags":["web"]},{"url":"https://plone.org/products/plone/security/advisories/20110622","tags":["web"]},{"url":"https://www.openwall.com/lists/oss-security/2011/07/04/6","tags":["web"]},{"url":"https://www.openwall.com/lists/oss-security/2011/07/12/9","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2011-32.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-p6h9-hpcg-c6gm","tags":["advisory"]},{"url":"https://pypi.org/project/zope2","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2011-2528","description":"Unspecified vulnerability in (1) Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as used in Plone 4.x and other products, and (2) PloneHotfix20110720 for Plone 3.x allows attackers to gain privileges via unspecified vectors, related to a \"highly serious vulnerability.\" NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-0720.","status":"published","published":"2011-07-19T20:00:00Z","modified":"2024-08-06T23:08:21.987Z","updated_at":"2026-11-02T14:35:36.968002Z"}],"euvd":[{"id":"EUVD-2011-0023","description":"Unspecified vulnerability in (1) Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as used in Plone 4.x and other products, and (2) PloneHotfix20110720 for Plone 3.x allows attackers to gain privileges via unspecified vectors, related to a \"highly serious vulnerability.\" NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-0720.","status":"published","published":"2011-07-19T20:00:00Z","modified":"2024-08-06T23:08:21Z","updated_at":"2026-11-03T01:39:55.11051Z"}],"ghsa":[{"id":"GHSA-p6h9-hpcg-c6gm","title":"High severity vulnerability that affects Plone and Zope2","description":"Unspecified vulnerability in (1) Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as used in Plone 4.x and other products, and (2) PloneHotfix20110720 for Plone 3.x allows attackers to gain privileges via unspecified vectors, related to a \"highly serious vulnerability.\" NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-0720.","status":"published","published":"2018-07-23T19:52:02Z","modified":"2026-06-08T19:03:38Z","updated_at":"2026-11-02T14:40:18.682012Z"}],"nvd":[{"id":"CVE-2011-2528","description":"Unspecified vulnerability in (1) Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as used in Plone 4.x and other products, and (2) PloneHotfix20110720 for Plone 3.x allows attackers to gain privileges via unspecified vectors, related to a \"highly serious vulnerability.\" NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-0720.","status":"published","published":"2011-07-19T20:55:01.197Z","modified":"2026-06-16T23:31:31.413Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:02:09.182398Z"}],"osv":[{"id":"GHSA-p6h9-hpcg-c6gm","title":"High severity vulnerability that affects Plone and Zope2","description":"Unspecified vulnerability in (1) Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as used in Plone 4.x and other products, and (2) PloneHotfix20110720 for Plone 3.x allows attackers to gain privileges via unspecified vectors, related to a \"highly serious vulnerability.\" NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-0720.","status":"published","published":"2018-07-23T19:52:02Z","modified":"2026-07-09T16:56:21.336850629Z","updated_at":"2026-11-02T15:46:52.891208Z"},{"id":"PYSEC-2011-25","description":"Unspecified vulnerability in (1) Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as used in Plone 4.x and other products, and (2) PloneHotfix20110720 for Plone 3.x allows attackers to gain privileges via unspecified vectors, related to a \"highly serious vulnerability.\" NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-0720.","status":"published","published":"2011-07-19T20:55:00Z","modified":"2026-07-09T16:56:21.336850629Z","updated_at":"2026-11-02T15:52:51.254177Z"},{"id":"PYSEC-2011-32","description":"Withdrawn as duplicate of PYSEC-2011-25.  Unspecified vulnerability in (1) Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as used in Plone 4.x and other products, and (2) PloneHotfix20110720 for Plone 3.x allows attackers to gain privileges via unspecified vectors, related to a \"highly serious vulnerability.\" NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-0720.","status":"withdrawn","published":"2011-07-19T20:55:01.197Z","modified":"2026-07-09T16:45:08.077669318Z","updated_at":"2026-11-02T15:52:51.254177Z"},{"id":"PYSEC-2026-764","title":"High severity vulnerability that affects Plone and Zope2","description":"Unspecified vulnerability in (1) Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as used in Plone 4.x and other products, and (2) PloneHotfix20110720 for Plone 3.x allows attackers to gain privileges via unspecified vectors, related to a \"highly serious vulnerability.\" NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-0720.","status":"published","published":"2026-07-02T14:13:09.002503Z","modified":"2026-07-09T16:56:21.336850629Z","updated_at":"2026-11-02T15:52:58.117212Z"}]}}