{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2016-20037", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-03-28T11:27:46.362Z", "datePublished": "2026-03-28T11:57:59.881Z", "dateUpdated": "2026-03-30T14:53:42.980Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-03-28T11:57:59.881Z"}, "title": "xwpe 1.5.30a-2.1 Stack-based Buffer Overflow", "descriptions": [{"lang": "en", "value": "xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying overly long input strings that exceed buffer boundaries. Attackers can craft malicious command-line arguments with 262 bytes of junk data followed by shellcode to overwrite the instruction pointer and achieve code execution or denial of service."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Out-of-bounds Write", "cweId": "CWE-787", "type": "CWE"}]}], "affected": [{"vendor": "Identicalsoftware", "product": "xWPE", "versions": [{"version": "1.5.30a-2.1", "status": "affected"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "baseScore": 8.6, "baseSeverity": "HIGH", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/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": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/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/39285", "name": "ExploitDB-39285", "tags": ["exploit"]}, {"url": "http://www.identicalsoftware.com/xwpe", "name": "Official Product Homepage", "tags": ["product"]}, {"name": "VulnCheck Advisory: xwpe 1.5.30a-2.1 Stack-based Buffer Overflow", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/xwpe-30a-stack-based-buffer-overflow"}], "credits": [{"lang": "en", "value": "Juan Sacco - http://www.exploitpack.com <", "type": "finder"}], "x_generator": {"engine": "vulncheck"}, "datePublic": "2016-01-21T00:00:00.000Z"}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-30T12:49:09.700652Z", "id": "CVE-2016-20037", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"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": "2026-03-30T14:53:42.980Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2016-20037", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-03-30T12:49:09.700652Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-30T12:51:14.647Z"}}], "cna": {"title": "xwpe 1.5.30a-2.1 Stack-based Buffer Overflow", "credits": [{"lang": "en", "type": "finder", "value": "Juan Sacco - http://www.exploitpack.com <"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.6, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "Identicalsoftware", "product": "xWPE", "versions": [{"status": "affected", "version": "1.5.30a-2.1"}]}], "datePublic": "2016-01-21T00:00:00.000Z", "references": [{"url": "https://www.exploit-db.com/exploits/39285", "name": "ExploitDB-39285", "tags": ["exploit"]}, {"url": "http://www.identicalsoftware.com/xwpe", "name": "Official Product Homepage", "tags": ["product"]}, {"url": "https://www.vulncheck.com/advisories/xwpe-30a-stack-based-buffer-overflow", "name": "VulnCheck Advisory: xwpe 1.5.30a-2.1 Stack-based Buffer Overflow", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck"}, "descriptions": [{"lang": "en", "value": "xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying overly long input strings that exceed buffer boundaries. Attackers can craft malicious command-line arguments with 262 bytes of junk data followed by shellcode to overwrite the instruction pointer and achieve code execution or denial of service."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-03-28T11:57:59.881Z"}}}, "cveMetadata": {"cveId": "CVE-2016-20037", "state": "PUBLISHED", "dateUpdated": "2026-03-30T14:53:42.980Z", "dateReserved": "2026-03-28T11:27:46.362Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-03-28T11:57:59.881Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "xwpe 1.5.30a-2.1 and prior contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying overly long input strings that exceed buffer boundaries. Attackers can craft malicious command-line arguments with 262 bytes of junk data followed by shellcode to overwrite the instruction pointer and achieve code execution or denial of service."}], "id": "CVE-2016-20037", "lastModified": "2026-03-30T13:26:07.647", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 5.9, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-03-28T12:15:58.500", "references": [{"source": "disclosure@vulncheck.com", "url": "http://www.identicalsoftware.com/xwpe"}, {"source": "disclosure@vulncheck.com", "url": "https://www.exploit-db.com/exploits/39285"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/xwpe-30a-stack-based-buffer-overflow"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.5.30a-2.1"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "xWPE", "source": "cna", "vendor": "Identicalsoftware"}, "product": "xwpe", "vendor": "identicalsoftware"}], "analysis": {"en": {"generated_at": "2026-03-28T13:27:41.465613+00:00", "value": {"mitigation_remediation": ["Update xWPE to the latest version that contains the buffer\u2011overflow fix, if an update is available from Identicalsoftware.", "If no update exists, restrict the use of the xWPE binary to trusted administrators or remove it from untrusted hosts.", "Monitor system logs for repeated attempts to run xWPE with unusually long arguments and investigate any unexpected crashes."], "summary": {"action": "Apply Patch", "impact": "Local Code Execution"}, "threat_synthesis": {"affected_systems": "Identicalsoftware\u2019s xWPE application, versions 1.5.30a\u20112.1 and earlier, is affected by this stack\u2011based buffer overflow.", "description_and_impact": "An attacker who can run commands on the same host can pass an improperly sized argument to the xWPE program. The program copies the argument into a fixed-size buffer without bound checking, allowing the input \u2013 a string as long as 262 bytes \u2013 to overwrite the stack frame and the instruction pointer. If the attacker includes shellcode after the junk data, the overwritten pointer redirects execution into the payload, giving local arbitrary\u2011code execution on the host or causing a crash.", "risk_and_exploitability": "Severity is high with a CVSS score of 8.6, indicating that successful exploitation can compromise confidentiality, integrity, and availability. The attack requires local access and a crafted command\u2011line argument; EPSS data is not available and the vulnerability is not listed in the CISA KEV catalog, so the precise likelihood of exploitation remains uncertain. Nonetheless, the high score and local execution potential suggest a significant risk."}}}}, "created": "2026-03-29T20:32:33.436461+00:00", "updated": "2026-03-30T06:59:27.862987+00:00", "vendors": ["identicalsoftware", "identicalsoftware$PRODUCT$xwpe"]}