{"id":"CVE-2026-77654","state":"PUBLISHED","title":"Local Privilege Escalation via Misconfigured Sudoers Entry in Horizon Security Analyzer","description":"Improper Privilege Management vulnerability in Horizon Security Analyzer (formerly AlgoSec Firewall Analyzer) on Linux, 64 bit allows Privilege Escalation and Parameter Injection.\n\nA local user with access to the command line may escalate their privileges by abusing the parameters of a command that is approved in the sudoers file. \n\n\nThis issue affects Horizon Security Analyzer : A33.10, A33.20 and A33.30.","publishedAt":"2026-09-08T10:44:32.657Z","updatedAt":"2026-09-08T12:19:26.694Z","severity":{"score":6.1,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/RE:L/U:Amber","source":"AlgoSec"},"assigner":"AlgoSec","products":["Algosec Horizon Security Analyzer"],"affected":[{"vendor":"Algosec","product":"Horizon Security Analyzer","defaultStatus":"unaffected","versions":[{"version":"A33.10 (up to build 300)","status":"affected"},{"version":"A33.20 (up to build 170)","status":"affected"},{"version":"A33.30 (up to build 110)","status":"affected"}],"platforms":["Linux","64 bit"]}],"references":["https://techdocs.algosec.com/en/cves/Content/tech-notes/cves/cve-2026-77654.htm"],"weaknesses":["CWE-266"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/77xxx/CVE-2026-77654.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-77654","state":"PUBLISHED","datePublished":"2026-09-08T10:44:32.657Z","dateUpdated":"2026-09-08T12:19:26.694Z","assignerShortName":"AlgoSec","assignerOrgId":"ca5f073f-8266-4d43-b3e3-6eb0bb18a738","dateReserved":"2026-08-21T04:33:36.370Z"},"containers":{"cna":{"title":"Local Privilege Escalation via Misconfigured Sudoers Entry in Horizon Security 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bit"]}],"references":[{"url":"https://techdocs.algosec.com/en/cves/Content/tech-notes/cves/cve-2026-77654.htm"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"ACTIVE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"HIGH","exploitMaturity":"NOT_DEFINED","Safety":"NEGLIGIBLE","Automatable":"YES","Recovery":"USER","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"LOW","providerUrgency":"AMBER","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.1,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/RE:L/U:Amber"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-266","lang":"en","description":"CWE-266 Incorrect privilege assignment","type":"CWE"}]}],"providerMetadata":{"shortName":"AlgoSec","orgId":"ca5f073f-8266-4d43-b3e3-6eb0bb18a738","dateUpdated":"2026-09-08T10:44:32.657Z"},"impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233 Privilege Escalation"}]},{"capecId":"CAPEC-137","descriptions":[{"lang":"en","value":"CAPEC-137 Parameter Injection"}]}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:algosec:horizon_security_analyzer:a33.10_up_to_build_300_:*:linux:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:algosec:horizon_security_analyzer:a33.10_up_to_build_300_:*:64_bit:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:algosec:horizon_security_analyzer:a33.20_up_to_build_170_:*:linux:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:algosec:horizon_security_analyzer:a33.20_up_to_build_170_:*:64_bit:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:algosec:horizon_security_analyzer:a33.30_up_to_build_110_:*:linux:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:algosec:horizon_security_analyzer:a33.30_up_to_build_110_:*:64_bit:*:*:*:*:*"}]}]}],"solutions":[{"lang":"en","value":"Upgrade Horizon Foundation (formerly ASMS suite) to A33.10 (build 310 and above), A33.20 (build 180 and above) and \nA33.30 (build 120 and above).\n https://portal.algosec.com/en/downloads/hotfix_releases","supportingMedia":[{"type":"text/html","base64":false,"value":"Upgrade Horizon Foundation (formerly ASMS suite) to A33.10&nbsp;(build 310 and above), A33.20 (build 180 and above) and&nbsp;\nA33.30 (build 120 and above).<br><a target=\"_blank\" rel=\"nofollow\" href=\"https://portal.algosec.com/en/downloads/hotfix_releases\">https://portal.algosec.com/en/downloads/hotfix_releases</a>"}]}],"credits":[{"lang":"en","value":"Luis Vázquez Castaño - https://www.linkedin.com/in/lvazcas/","type":"finder"},{"lang":"en","value":"Luis Alberto Pacheco Lorenzo - https://www.linkedin.com/in/lucholapl/","type":"finder"},{"lang":"en","value":"Siemens Healthineers Red Team","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T12:19:17.974612Z","id":"CVE-2026-77654","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-08T12:19:26.694Z"}}]}}}