{"id":"CVE-2016-6496","aliases":["EUVD-2016-7418","GHSA-gqpx-798c-8554"],"status":"published","title":"The LDAP directory connector in Atlassian Crowd before 2.8.8 and 2.9.x before 2.9.5 allows remote...","description":"The LDAP directory connector in Atlassian Crowd before 2.8.8 and 2.9.x before 2.9.5 allows remote attackers to execute arbitrary code via an LDAP attribute with a crafted serialized Java object, aka LDAP entry poisoning.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.04705,"percentile":0.91868,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2016-12-09T22:00:00Z","modified":"2026-06-17T00:51:16Z","products":[{"vendor":"atlassian","product":"crowd"}],"references":[{"url":"https://jira.atlassian.com/browse/CWD-4790","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking"]},{"url":"http://www.securityfocus.com/archive/1/539655/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE-wp.pdf","tags":["x_refsource_MISC","x_transferred","Not Applicable"]},{"url":"https://confluence.atlassian.com/crowd/crowd-security-advisory-2016-10-19-856697283.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/93826","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6496"},{"url":"https://github.com/advisories/GHSA-gqpx-798c-8554"}],"sources":{"cve":[{"id":"CVE-2016-6496","description":"The LDAP directory connector in Atlassian Crowd before 2.8.8 and 2.9.x before 2.9.5 allows remote attackers to execute arbitrary code via an LDAP attribute with a crafted serialized Java object, aka LDAP entry poisoning.","status":"published","published":"2016-12-09T22:00:00Z","modified":"2024-08-06T01:29:20.272Z","updated_at":"2026-11-02T14:33:34.443637Z"}],"euvd":[{"id":"EUVD-2016-7418","description":"The LDAP directory connector in Atlassian Crowd before 2.8.8 and 2.9.x before 2.9.5 allows remote attackers to execute arbitrary code via an LDAP attribute with a crafted serialized Java object, aka LDAP entry poisoning.","status":"published","published":"2016-12-09T22:00:00Z","modified":"2024-08-06T01:29:20Z","updated_at":"2026-11-03T02:22:36.370031Z"}],"ghsa":[{"id":"GHSA-gqpx-798c-8554","title":"The LDAP directory connector in Atlassian Crowd before 2.8.8 and 2.9.x before 2.9.5 allows remote...","description":"The LDAP directory connector in Atlassian Crowd before 2.8.8 and 2.9.x before 2.9.5 allows remote attackers to execute arbitrary code via an LDAP attribute with a crafted serialized Java object, aka LDAP entry poisoning.","status":"published","published":"2022-05-14T02:46:12Z","modified":"2023-02-02T05:06:15Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:52:16.705925Z"}],"nvd":[{"id":"CVE-2016-6496","description":"The LDAP directory connector in Atlassian Crowd before 2.8.8 and 2.9.x before 2.9.5 allows remote attackers to execute arbitrary code via an LDAP attribute with a crafted serialized Java object, aka LDAP entry poisoning.","status":"published","published":"2016-12-09T22:59:02.233Z","modified":"2026-06-17T00:51:16.433Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:32.79141Z"}]}}