{"id":"CVE-2024-45969","details":"NULL pointer dereference in the MMS Client in MZ Automation LibIEC1850 before commit 7afa40390b26ad1f4cf93deaa0052fe7e357ef33 allows a malicious server to Cause a Denial-of-Service via the MMS InitiationResponse message.","modified":"2026-04-12T10:53:12.229558Z","published":"2024-11-15T19:15:07.413Z","references":[{"type":"WEB","url":"https://encs.eu/news/critical-security-vulnerabilities-discovered-in-mz-automations-mms-client/"},{"type":"FIX","url":"https://github.com/mz-automation/libiec61850/commit/7afa40390b26ad1f4cf93deaa0052fe7e357ef33"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mz-automation/libiec61850","events":[{"introduced":"0"},{"fixed":"7afa40390b26ad1f4cf93deaa0052fe7e357ef33"}]}],"versions":["v1.0.0","v1.0.1","v1.1","v1.2.0","v1.2.1","v1.2.2","v1.3.0","v1.4.0","v1.4.1","v1.5.0","v1.5.1"],"database_specific":{"vanir_signatures_modified":"2026-04-12T10:53:12Z","vanir_signatures":[{"id":"CVE-2024-45969-33914dae","source":"https://github.com/mz-automation/libiec61850/commit/7afa40390b26ad1f4cf93deaa0052fe7e357ef33","signature_version":"v1","deprecated":false,"signature_type":"Function","target":{"file":"src/mms/iso_acse/acse.c","function":"AcseConnection_parseMessage"},"digest":{"length":790,"function_hash":"65874975913600414817121009793659144608"}},{"id":"CVE-2024-45969-e5b7ec22","source":"https://github.com/mz-automation/libiec61850/commit/7afa40390b26ad1f4cf93deaa0052fe7e357ef33","signature_version":"v1","deprecated":false,"signature_type":"Line","target":{"file":"src/mms/iso_acse/acse.c"},"digest":{"threshold":0.9,"line_hashes":["63039055387160520615588532359762169581","22483413895632105549840759042935725651","66809290995931694386176693894027195812"]}}],"unresolved_ranges":[{"events":[{"introduced":"LibIEC1850"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-45969.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}