{"id":"CVE-2021-34577","state":"PUBLISHED","title":"Hardcoded credentials in Kaden PICOFLUX AiR","description":"In the Kaden PICOFLUX AiR water meter an adversary can read the values through wireless M-Bus mode 5 with a hardcoded shared key while being adjacent to the device.","publishedAt":"2022-11-09T16:11:03.018Z","updatedAt":"2025-05-01T19:16:45.077Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"CERTVDE"},"assigner":"CERTVDE","products":["Kaden PICOFLUX AiR"],"affected":[{"vendor":"Kaden","product":"PICOFLUX AiR","defaultStatus":"affected","versions":[{"version":"all","status":"affected"}]}],"references":["https://www.fit.vutbr.cz/~polcak/CVE-2021-34577"],"weaknesses":["CWE-798"],"ingestedAt":"2026-10-29T19:48:38.863Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/34xxx/CVE-2021-34577.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-34577","state":"PUBLISHED","datePublished":"2022-11-09T16:11:03.018Z","dateUpdated":"2025-05-01T19:16:45.077Z","assignerShortName":"CERTVDE","assignerOrgId":"270ccfa6-a436-4e77-922e-914ec3a9685c","requesterUserId":"520cc88b-a1c8-44f6-9154-21a4d74c769f","dateReserved":"2021-06-10T19:19:08.025Z"},"containers":{"cna":{"title":"Hardcoded credentials in Kaden PICOFLUX AiR","descriptions":[{"lang":"en","value":"In the Kaden PICOFLUX AiR water meter an adversary can read the values through wireless M-Bus mode 5 with a hardcoded shared key while being adjacent to the device."}],"affected":[{"vendor":"Kaden","product":"PICOFLUX AiR","defaultStatus":"affected","versions":[{"version":"all","status":"affected"}]}],"references":[{"url":"https://www.fit.vutbr.cz/~polcak/CVE-2021-34577"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-798","description":"CWE-798 Use of Hard-coded Credentials","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CERTVDE","orgId":"270ccfa6-a436-4e77-922e-914ec3a9685c","dateUpdated":"2022-11-09T16:11:03.018Z"},"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Libor POLČÁK reported to CERT@VDE"}],"datePublic":"2021-09-16T10:00:00.000Z","impacts":[{"capecId":"CAPEC-21","descriptions":[{"lang":"en","value":"CAPEC-21 Exploitation of Trusted Credentials"}]}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.fit.vutbr.cz/~polcak/CVE-2021-34577","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T00:19:46.586Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-01T19:16:21.657086Z","id":"CVE-2021-34577","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":"2025-05-01T19:16:45.077Z"}}]}}}