{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2019-25741","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-06-04T11:11:45.519Z","datePublished":"2026-06-04T13:22:45.443Z","dateUpdated":"2026-06-04T15:06:20.007Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-06-04T13:22:45.443Z"},"datePublic":"2019-08-31T00:00:00.000Z","title":"Mobatek MobaXterm 12.1 Buffer Overflow via Sessions File","descriptions":[{"lang":"en","value":"Mobatek MobaXterm 12.1 contains a structured exception handling (SEH) based buffer overflow vulnerability in the username field of session files that allows remote attackers to execute arbitrary code. Attackers can craft a malicious MobaXterm sessions file with overflow data that triggers the vulnerability when imported and executed, enabling reverse shell execution with user privileges."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","cweId":"CWE-120","type":"CWE"}]}],"affected":[{"vendor":"Mobatek","product":"Mobatek MobaXterm","versions":[{"version":"12.1","status":"affected"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS"},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS"}],"references":[{"url":"https://www.exploit-db.com/exploits/47429","name":"ExploitDB-47429","tags":["exploit"]},{"url":"https://download.mobatek.net/1112019010310554/MobaXterm_Portable_v11.1.zip","name":"Product Reference","tags":["product"]},{"name":"VulnCheck Advisory: Mobatek MobaXterm 12.1 Buffer Overflow via Sessions File","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/mobatek-mobaxterm-buffer-overflow-via-sessions-file"}],"credits":[{"lang":"en","value":"Xavi Beltran","type":"finder"}],"x_generator":{"engine":"vulncheck"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-04T14:40:30.394856Z","id":"CVE-2019-25741","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-04T15:06:20.007Z"}}]}}