CVE-2021-23977

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1684761", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1684761", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2021-07/", "name": "https://www.mozilla.org/security/advisories/mfsa2021-07/", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://security.gentoo.org/glsa/202104-10", "name": "GLSA-202104-10", "tags": ["Third Party Advisory"], "refsource": "GENTOO"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Firefox for Android suffered from a time-of-check-time-of-use vulnerability that allowed a malicious application to read sensitive data from application directories. Note: This issue is only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 86."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-367"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-23977", "ASSIGNER": "security@mozilla.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 2.6, "accessVector": "NETWORK", "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "HIGH", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "LOW", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 4.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.6}}, "publishedDate": "2021-02-26T03:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "86.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-05-27T18:20Z"}