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.
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Affected Vendors & Products
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History
Sat, 31 Oct 2026 02:30:00 +0000
| Type | Values Removed | Values Added |
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ssvc
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Tue, 27 Oct 2026 04:30:00 +0000
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Asterisk
Asterisk asterisk Asterisk certified Asterisk |
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| Vendors & Products |
Asterisk
Asterisk asterisk Asterisk certified Asterisk |
Mon, 26 Oct 2026 20:00:00 +0000
Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-10-26T19:46:01.924Z
Updated: 2026-10-31T01:46:55.030Z
Reserved: 2026-06-24T02:00:46.800Z
Link: CVE-2026-57193
Updated: 2026-10-31T01:46:50.500Z
Status : Undergoing Analysis
Published: 2026-10-26T20:17:56.877
Modified: 2026-10-31T02:17:34.120
Link: CVE-2026-57193
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