{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-7372", "assignerOrgId": "0df08a0e-a200-4957-9bb0-084f562506f9", "state": "PUBLISHED", "assignerShortName": "GV", "dateReserved": "2026-04-28T23:12:55.269Z", "datePublished": "2026-05-04T00:47:36.651Z", "dateUpdated": "2026-05-04T00:47:36.651Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "0df08a0e-a200-4957-9bb0-084f562506f9", "shortName": "GV", "dateUpdated": "2026-05-04T00:47:36.651Z"}, "title": "GeoVision GV-VMS V20 WebCam Server Login stack overflow vulnerability", "datePublic": "2026-04-27T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds write", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}, {"capecId": "CAPEC-242", "descriptions": [{"lang": "en", "value": "CAPEC-242 Code Injection"}]}], "affected": [{"vendor": "GeoVision Inc.", "product": "GV-VMS V20.0.2", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "20.0.2"}, {"status": "unaffected", "version": "21.0.0"}], "defaultStatus": "unaffected"}], "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_v20.0.2:21.0.0:*:windows:*:*:*:*:*"}]}]}], "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.", "supportingMedia": [{"type": "text/html", "base64": false, "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.<br><br>#### Stack-overflow via unconstrained sscanf<br><br>The 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<br>\n<br>The 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.<br><br>"}]}], "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"}}], "solutions": [{"lang": "en", "value": "GeoVision GV-VMS version V21.0.0 has patched the reported vulnerability.\u00a0\n\n\nUser is recommended to download the update from GeoVision's offical website\u00a0(https://www.geovision.com.tw/download/product/GV-VMS%20V20)\n\nor contact GeoVision Support team", "supportingMedia": [{"type": "text/html", "base64": false, "value": "GeoVision GV-VMS version V21.0.0 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>"}]}], "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"}}}}

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{"cveTags": [], "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."}], "id": "CVE-2026-7372", "lastModified": "2026-05-04T01:16:04.730", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 6.0, "source": "0df08a0e-a200-4957-9bb0-084f562506f9", "type": "Secondary"}]}, "published": "2026-05-04T01:16:04.730", "references": [{"source": "0df08a0e-a200-4957-9bb0-084f562506f9", "url": "https://talosintelligence.com/vulnerability_reports/"}, {"source": "0df08a0e-a200-4957-9bb0-084f562506f9", "url": "https://www.geovision.com.tw/cyber_security.php"}], "sourceIdentifier": "0df08a0e-a200-4957-9bb0-084f562506f9", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "0df08a0e-a200-4957-9bb0-084f562506f9", "type": "Secondary"}]}

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