{"id":"CVE-2022-24402","state":"PUBLISHED","title":"Intentionally weakened effective strength in TETRA TEA1","description":"The TETRA TEA1 keystream generator implements a key register initialization function that compresses the 80-bit key to only 32 bits for usage during the keystream generation phase, which is insufficient to safeguard against exhaustive search attacks.","publishedAt":"2023-10-19T09:32:23.476Z","updatedAt":"2024-09-12T20:31:31.278Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:A/MAC:L/MPR:N/MUI:N/MS:U/MC:H/MI:H/MA:H","source":"NCSC-NL"},"assigner":"NCSC-NL","products":["ETSI TETRA Standard"],"affected":[{"vendor":"ETSI","product":"TETRA Standard","defaultStatus":"unaffected","versions":[{"version":"TEA1","status":"affected"}]}],"references":["https://tetraburst.com/"],"weaknesses":["CWE-334"],"ingestedAt":"2026-10-29T19:49:43.915Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/24xxx/CVE-2022-24402.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-24402","state":"PUBLISHED","datePublished":"2023-10-19T09:32:23.476Z","dateUpdated":"2024-09-12T20:31:31.278Z","assignerShortName":"NCSC-NL","assignerOrgId":"cf4a7ff5-dd38-4ede-a530-ffaa7ea59c39","dateReserved":"2022-02-04T04:43:09.527Z"},"containers":{"cna":{"title":"Intentionally weakened effective strength in TETRA TEA1","descriptions":[{"lang":"en","value":"The TETRA TEA1 keystream generator implements a key register initialization function that compresses the 80-bit key to only 32 bits for usage during the keystream generation phase, which is insufficient to safeguard against exhaustive search attacks."}],"affected":[{"vendor":"ETSI","product":"TETRA Standard","defaultStatus":"unaffected","versions":[{"version":"TEA1","status":"affected"}]}],"references":[{"url":"https://tetraburst.com/","name":"TETRA:BURST","tags":["related"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:A/MAC:L/MPR:N/MUI:N/MS:U/MC:H/MI:H/MA:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-334","lang":"en","description":"Small Space of Random Values","type":"CWE"}]}],"providerMetadata":{"shortName":"NCSC-NL","orgId":"cf4a7ff5-dd38-4ede-a530-ffaa7ea59c39","dateUpdated":"2024-07-15T00:27:54.327Z"},"credits":[{"lang":"en","value":"Midnight Blue","type":"finder"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://tetraburst.com/","name":"TETRA:BURST","tags":["related","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T04:13:55.215Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-12T20:31:22.585350Z","id":"CVE-2022-24402","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-12T20:31:31.278Z"}}]}}}