CVE-2021-36762

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.kb.cert.org/vuls/id/608209", "name": "VU#608209", "tags": ["Third Party Advisory", "US Government Resource"], "refsource": "CERT-VN"}, {"url": "https://www.hcc-embedded.com/about/about-interniche", "name": "https://www.hcc-embedded.com/about/about-interniche", "tags": ["Product"], "refsource": "MISC"}, {"url": "https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/", "name": "https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/", "tags": ["Mitigation", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in HCC Embedded InterNiche NicheStack through 4.3. The tfshnd():tftpsrv.c TFTP packet processing function doesn't ensure that a filename is adequately '\\0' terminated; therefore, a subsequent call to strlen for the filename might read out of bounds of the protocol packet buffer (if no '\\0' byte exists within a reasonable range)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-273"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-36762", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2021-08-19T12:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:hcc-embedded:nichestack:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "4.3"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-08-26T18:14Z"}