CVE-2021-44758

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/heimdal/heimdal/security/advisories/GHSA-69h9-669w-88xv", "name": "https://github.com/heimdal/heimdal/security/advisories/GHSA-69h9-669w-88xv", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/heimdal/heimdal/commit/f9ec7002cdd526ae84fbacbf153162e118f22580", "name": "https://github.com/heimdal/heimdal/commit/f9ec7002cdd526ae84fbacbf153162e118f22580", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Heimdal before 7.7.1 allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor via a preferred_mech_type of GSS_C_NO_OID and a nonzero initial_response value to send_accept."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-476"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-44758", "ASSIGNER": "cve@mitre.org"}}, "impact": {"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:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2022-12-26T05:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "7.7.1"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-01-05T02:50Z"}