{"id":"CVE-2021-20594","state":"PUBLISHED","title":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions \"26\" and ","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions \"26\" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions \"11\" and prior allows a remote unauthenticated attacker to acquire legitimate user names registered in the module via brute-force attack on user names.","publishedAt":"2021-08-06T00:00:00.000Z","updatedAt":"2024-08-03T17:45:44.726Z","severity":null,"assigner":"Mitsubishi","products":["n/a Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU; Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU"],"affected":[{"vendor":"n/a","product":"Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU; Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU","defaultStatus":"unaffected","versions":[{"version":"Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions \"26\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions \"11\" and prior","status":"affected"}]}],"references":["https://jvn.jp/vu/JVNVU98578731/index.html","https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf","https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:55.610Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/20xxx/CVE-2021-20594.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-20594","state":"PUBLISHED","datePublished":"2021-08-06T00:00:00.000Z","dateUpdated":"2024-08-03T17:45:44.726Z","assignerShortName":"Mitsubishi","assignerOrgId":"e0f77b61-78fd-4786-b3fb-1ee347a748ad","dateReserved":"2020-12-17T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions \"26\" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions \"11\" and prior allows a remote unauthenticated attacker to acquire legitimate user names registered in the module via brute-force attack on user names."}],"affected":[{"vendor":"n/a","product":"Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU; Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU","defaultStatus":"unaffected","versions":[{"version":"Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions \"26\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions \"11\" and prior","status":"affected"}]}],"references":[{"url":"https://jvn.jp/vu/JVNVU98578731/index.html"},{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf"},{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01"}],"problemTypes":[{"descriptions":[{"description":"Exposure of Sensitive Information to an Unauthorized Actor","lang":"en"}]}],"providerMetadata":{"shortName":"Mitsubishi","orgId":"e0f77b61-78fd-4786-b3fb-1ee347a748ad","dateUpdated":"2024-05-24T07:53:21.422Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://jvn.jp/vu/JVNVU98578731/index.html","tags":["x_transferred"]},{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf","tags":["x_transferred"]},{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:45:44.726Z"}}]}}}