{"id":"CVE-2026-7372","state":"PUBLISHED","title":"GeoVision GV-VMS V20 WebCam Server Login stack overflow vulnerability","description":"A stack overflow vulnerability exists in the WebCam Server Login functionality of GeoVision GV-VMS V20 20.0.2. A specially crafted HTTP request can lead to an arbitrary code execution. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.\n\n#### Stack-overflow via unconstrained sscanf\n\nThe call to `sscanf` at [1] to split the `Buffer` variable into the `username` and `password` variables doesn't limit the size of the extracted content to match the destination buffers' sizes. In this case, if either the username or password decoded from the authorization string exceeds `40` characters (the size the stack variables  `username` and `password`) then a stack overflow will occur. \n\n\n\nThe data is controlled by an attacker, but sronger constraints (e.g. no null bytes) may make exploitation harder. A successful attack could  lead to full code execution as SYSTEM on the machine running the service.","publishedAt":"2026-05-04T00:47:36.651Z","updatedAt":"2026-05-15T07:45:38.690Z","severity":{"score":9,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","source":"GV"},"assigner":"GV","products":["GeoVision Inc. GV-VMS V20.0.2"],"affected":[{"vendor":"GeoVision Inc.","product":"GV-VMS V20.0.2","defaultStatus":"unaffected","versions":[{"version":"20.0.2","status":"affected"},{"version":"20.0.2.10","status":"unaffected"},{"version":"20.1.0.0","status":"unaffected"}],"platforms":["Windows"]}],"references":["https://www.geovision.com.tw/cyber_security.php","https://talosintelligence.com/vulnerability_reports/"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/7xxx/CVE-2026-7372.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-7372","state":"PUBLISHED","datePublished":"2026-05-04T00:47:36.651Z","dateUpdated":"2026-05-15T07:45:38.690Z","assignerShortName":"GV","assignerOrgId":"0df08a0e-a200-4957-9bb0-084f562506f9","dateReserved":"2026-04-28T23:12:55.269Z"},"containers":{"cna":{"title":"GeoVision GV-VMS V20 WebCam Server Login stack overflow vulnerability","descriptions":[{"lang":"en","value":"A stack overflow vulnerability exists in the WebCam Server Login functionality of GeoVision GV-VMS V20 20.0.2. A specially crafted HTTP request can lead to an arbitrary code execution. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.\n\n#### Stack-overflow via unconstrained sscanf\n\nThe call to `sscanf` at [1] to split the `Buffer` variable into the `username` and `password` variables doesn't limit the size of the extracted content to match the destination buffers' sizes. In this case, if either the username or password decoded from the authorization string exceeds `40` characters (the size the stack variables  `username` and `password`) then a stack overflow will occur. \n\n\n\nThe data is controlled by an attacker, but sronger constraints (e.g. no null bytes) may make exploitation harder. A successful attack could  lead to full code execution as SYSTEM on the machine running the service."}],"affected":[{"vendor":"GeoVision Inc.","product":"GV-VMS V20.0.2","defaultStatus":"unaffected","versions":[{"version":"20.0.2","status":"affected"},{"version":"20.0.2.10","status":"unaffected"},{"version":"20.1.0.0","status":"unaffected"}],"platforms":["Windows"]}],"references":[{"url":"https://www.geovision.com.tw/cyber_security.php","tags":["vendor-advisory"]},{"url":"https://talosintelligence.com/vulnerability_reports/","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"CRITICAL","baseScore":9,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"CWE-787 Out-of-bounds write","type":"CWE"}]}],"providerMetadata":{"shortName":"GV","orgId":"0df08a0e-a200-4957-9bb0-084f562506f9","dateUpdated":"2026-05-15T07:45:38.690Z"},"datePublic":"2026-04-27T00:00:00.000Z","impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]},{"capecId":"CAPEC-242","descriptions":[{"lang":"en","value":"CAPEC-242 Code Injection"}]}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:geovision_inc.:gv-vms_v20.0.2:20.0.2:*:windows:*:*:*:*:*"},{"vulnerable":false,"criteria":"cpe:2.3:a:geovision_inc.:gv-vms_v20.0.2:20.0.2.10:*:windows:*:*:*:*:*"},{"vulnerable":false,"criteria":"cpe:2.3:a:geovision_inc.:gv-vms_v20.0.2:20.1.0.0:*:windows:*:*:*:*:*"}]}]}],"solutions":[{"lang":"en","value":"GeoVision GV-VMS version V20.1.0 has patched the reported vulnerability. \n\n\nUser is recommended to download the update from GeoVision's offical website (https://www.geovision.com.tw/download/product/GV-VMS%20V20)\n\nor contact GeoVision Support team\n\n\n\n\nFor User currently running V20.0.2 may also visit the following link to download the V20.0.2.10 patch file that fixed the vulnerability. \n\nhttps://php.gvdip.com/phpbb3/viewtopic.php?t=3326","supportingMedia":[{"type":"text/html","base64":false,"value":"GeoVision GV-VMS version V20.1.0 has patched the reported vulnerability.&nbsp;<div><br></div><div>User is recommended to download the update from GeoVision's offical website&nbsp;(https://www.geovision.com.tw/download/product/GV-VMS%20V20)</div><div>or contact GeoVision Support team</div><div><br></div><div><div>For User currently running V20.0.2 may also visit the following link to download the V20.0.2.10&nbsp;patch file that fixed the vulnerability.&nbsp;</div><div>https://php.gvdip.com/phpbb3/viewtopic.php?t=3326</div></div><div><br></div>"}]}],"timeline":[{"time":"2026-02-17T01:38:00.000Z","lang":"en","value":"Initial Vendor Contact"}],"credits":[{"lang":"en","value":"Philippe Laulheret of Cisco Talos.","type":"finder"},{"lang":"en","value":"Kelly Patterson of Cisco Talos.","type":"remediation reviewer"},{"lang":"en","value":"Martin Zeiser of Cisco Talos.","type":"coordinator"}],"source":{"advisory":"TALOS-2026-2369","discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-04T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-7372"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-05T03:56:12.913Z"}}]}}}