{ "schema_version": "1.4.0", "id": "GHSA-c894-282r-px6w", "modified": "2022-04-27T00:00:51Z", "published": "2021-12-02T00:00:37Z", "aliases": [ "CVE-2021-20610" ], "details": "Improper Handling of Length Parameter Inconsistency vulnerability in MELSEC iQ-R Series R00/01/02CPU Firmware versions \"24\" and prior, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU Firmware versions \"57\" and prior, MELSEC iQ-R Series R08/16/32/120SFCPU All versions, MELSEC iQ-R Series R08/16/32/120PCPU Firmware versions \"29\" and prior, MELSEC iQ-R Series R08/16/32/120PSFCPU All versions, MELSEC iQ-R Series R16/32/64MTCPU All versions, MELSEC iQ-R Series R12CCPU-V All versions, MELSEC Q Series Q03UDECPU All versions, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU All versions, MELSEC Q Series Q03/04/06/13/26UDVCPU The first 5 digits of serial No. \"23071\" and prior, MELSEC Q Series Q04/06/13/26UDPVCPU The first 5 digits of serial No. \"23071\" and prior, MELSEC Q Series Q12DCCPU-V All versions, MELSEC Q Series Q24DHCCPU-V(G) All versions, MELSEC Q Series Q24/26DHCCPU-LS All versions, MELSEC Q Series MR-MQ100 All versions, MELSEC Q Series Q172/173DCPU-S1 All versions, MELSEC Q Series Q172/172DSCPU All versions, MELSEC Q Series Q170MCPU All versions, MELSEC Q Series Q170MSCPU(-S1) All versions, MELSEC L Series L02/06/26CPU(-P) All versions, MELSEC L Series L26CPU-(P)BT All versions and MELIPC Series MI5122-VW All versions allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20610" }, { "type": "WEB", "url": "https://jvn.jp/vu/JVNVU94434051/index.html" }, { "type": "WEB", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02" }, { "type": "WEB", "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf" } ], "database_specific": { "cwe_ids": [ "CWE-130" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-12-01T16:15:00Z" } }