{"id":"CVE-2022-39901","aliases":["A-263783333","EUVD-2022-42346","GHSA-cgvm-v5x3-2hm9","PUB-A-263783333"],"status":"published","title":"Improper authentication in Exynos baseband prior to SMR DEC-2022 Release 1 allows remote attacker...","description":"Improper authentication in Exynos baseband prior to SMR DEC-2022 Release 1 allows remote attacker to disable the network traffic encryption between UE and gNodeB.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00253,"percentile":0.16865,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2022-12-08T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["Pixel-family specific:2023-06-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"Pixel-family specific:0"},{"fixed":"Pixel-family specific:2023-06-05"}]}],"versions":["Pixel-family specific"]}],"products":[{"vendor":"samsung","product":"exynos_firmware"},{"vendor":"samsung mobile","product":"samsung mobile devices"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2022\u0026month=12","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-39901"},{"url":"https://github.com/advisories/GHSA-cgvm-v5x3-2hm9"},{"url":"https://source.android.com/security/bulletin/2023-06-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-39901","description":"Improper authentication in Exynos baseband prior to SMR DEC-2022 Release 1 allows remote attacker to disable the network traffic encryption between UE and gNodeB.","status":"published","published":"2022-12-08T00:00:00Z","modified":"2025-04-23T15:33:01.441Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:34:39.559326Z"}],"euvd":[{"id":"EUVD-2022-42346","description":"Improper authentication in Exynos baseband prior to SMR DEC-2022 Release 1 allows remote attacker to disable the network traffic encryption between UE and gNodeB.","status":"published","published":"2022-12-08T00:00:00Z","modified":"2025-04-23T15:33:01Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:52:13.655516Z"}],"ghsa":[{"id":"GHSA-cgvm-v5x3-2hm9","title":"Improper authentication in Exynos baseband prior to SMR DEC-2022 Release 1 allows remote attacker...","description":"Improper authentication in Exynos baseband prior to SMR DEC-2022 Release 1 allows remote attacker to disable the network traffic encryption between UE and gNodeB.","status":"published","published":"2022-12-08T18:30:49Z","modified":"2023-01-28T05:05:41Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:44:21.953506Z"}],"nvd":[{"id":"CVE-2022-39901","description":"Improper authentication in Exynos baseband prior to SMR DEC-2022 Release 1 allows remote attacker to disable the network traffic encryption between UE and gNodeB.","status":"published","published":"2022-12-08T16:15:12.277Z","modified":"2026-06-17T04:58:31.323Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:07:33.239526Z"}],"osv":[{"id":"PUB-A-263783333","description":"In TBD of TBD, there is a possible downgrade attack against cryptography in a 5G NSA network due to a logic error in the code. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-06-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:08.408541Z"}]}}