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vuln-cve/data/2026/57xxx/CVE-2026-57193.json
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{
"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"
}
}
]
}
}
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