mz-automation libiec61850 MMS Request mms_mapping.c checkDataSetAccess out-of-bounds
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.5%
exploitation probability
0.5%top 59% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A weakness has been identified in mz-automation libiec61850 up to 1.6.1. This issue affects the function checkDataSetAccess of the file src/iec61850/server/mms_mapping/mms_mapping.c of the component MMS Request Handler. This manipulation causes out-of-bounds read. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 1.6.2 is capable of addressing this issue. Patch name: 062062daf4cb50c7aa76e01d6fb4d58fc9278a7d. Upgrading the affected component is recommended. The vendor was contacted early about this disclosure.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
mz-automation · libiec61850public PoCs found — 1
cve_referencegithub.com/gff-cw/information/issues/3unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/gff-cw/information/issues/3https://github.com/mz-automation/libiec61850/https://github.com/mz-automation/libiec61850/commit/062062daf4cb50c7aa76e01d6fb4d58fc9278a7dhttps://github.com/mz-automation/libiec61850/releases/tag/v1.6.2https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7v2x-39mw-2979https://vuldb.com/cve/CVE-2026-18583https://vuldb.com/submit/844921https://vuldb.com/vuln/385412https://vuldb.com/vuln/385412/cti