{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-57193","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-24T02:00:46.800Z","datePublished":"2026-10-26T19:46:01.924Z","dateUpdated":"2026-10-31T01:46:55.030Z"},"containers":{"cna":{"title":"Asterisk: LDAP Filter Injection in res_config_ldap via SIP Username (Unauthenticated Information Disclosure)","problemTypes":[{"descriptions":[{"cweId":"CWE-943","lang":"en","description":"CWE-943: Improper Neutralization of Special Elements in Data Query Logic","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/asterisk/asterisk/security/advisories/GHSA-r6c2-hwc2-j4mp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/asterisk/asterisk/security/advisories/GHSA-r6c2-hwc2-j4mp"},{"name":"https://github.com/asterisk/asterisk/commit/04aa482212e43b292817444eb4de35499f4b1568","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/commit/04aa482212e43b292817444eb4de35499f4b1568"},{"name":"https://github.com/asterisk/asterisk/commit/14968f2f440ea0dd983caa4f477237a5224904dd","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/commit/14968f2f440ea0dd983caa4f477237a5224904dd"},{"name":"https://github.com/asterisk/asterisk/commit/23c01b6d359c5d85da725beea89e394a6c031c5d","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/commit/23c01b6d359c5d85da725beea89e394a6c031c5d"},{"name":"https://github.com/asterisk/asterisk/commit/7e1ae09594a101950398cc6aff2dd2e5ab314884","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/commit/7e1ae09594a101950398cc6aff2dd2e5ab314884"},{"name":"https://github.com/asterisk/asterisk/commit/8170a6bfa75994e7617a8b9d7fe7a7140b70cbe2","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/commit/8170a6bfa75994e7617a8b9d7fe7a7140b70cbe2"},{"name":"https://github.com/asterisk/asterisk/commit/dd0c768d9e9678e4cb1ed95689a254a61452239b","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/commit/dd0c768d9e9678e4cb1ed95689a254a61452239b"},{"name":"https://github.com/asterisk/asterisk/commit/ef280572a034cac3994075298facb1999778ee0d","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/commit/ef280572a034cac3994075298facb1999778ee0d"},{"name":"https://github.com/asterisk/asterisk/releases/tag/20.20.1","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/releases/tag/20.20.1"},{"name":"https://github.com/asterisk/asterisk/releases/tag/21.12.3","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/releases/tag/21.12.3"},{"name":"https://github.com/asterisk/asterisk/releases/tag/22.10.1","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/releases/tag/22.10.1"},{"name":"https://github.com/asterisk/asterisk/releases/tag/23.4.1","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/releases/tag/23.4.1"},{"name":"https://github.com/asterisk/asterisk/releases/tag/certified-20.7-cert11","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/releases/tag/certified-20.7-cert11"},{"name":"https://github.com/asterisk/asterisk/releases/tag/certified-22.8-cert3","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/releases/tag/certified-22.8-cert3"},{"name":"https://github.com/asterisk/asterisk/tree/24.0.0-pre1","tags":["x_refsource_MISC"],"url":"https://github.com/asterisk/asterisk/tree/24.0.0-pre1"}],"affected":[{"vendor":"asterisk","product":"asterisk","versions":[{"version":"< 20.20.1","status":"affected"},{"version":">= 21.0.0-pre1, < 21.12.3","status":"affected"},{"version":">= 22.0.0-pre1, < 22.10.1","status":"affected"},{"version":">= 23.0.0-pre1, < 23.4.1","status":"affected"}]},{"vendor":"asterisk","product":"certified-asterisk","versions":[{"version":"< 20.7-cert11","status":"affected"},{"version":">= 22.8-cert1-pre1, < 22.8-cert3","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-10-26T19:46:01.924Z"},"descriptions":[{"lang":"en","value":"Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, the LDAP realtime driver `res_config_ldap` may permit `LDAP filter injection` through a `SIP username`, allowing an unauthenticated attacker to make arbitrary LDAP queries using carefully crafted SIP packets and disclose information. The `res_config_ldap` module must be loaded and configured to access an LDAP server, which is not the default. This issue is fixed in Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3."}],"source":{"advisory":"GHSA-r6c2-hwc2-j4mp","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-31T01:46:45.323083Z","id":"CVE-2026-57193","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-31T01:46:55.030Z"}}]}}