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CVE-2021-20610

Published: Dec 1, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-130
NVD MITRE
7.5CVSSHIGH
EPSS Score
3.1%
Top 14.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU, MELSEC iQ-R Series R08/16/32/120SFCPU, MELSEC iQ-R Series R08/16/32/120PCPU, MELSEC iQ-R Series R08/16/32/120PSFCPU, MELSEC iQ-R Series R16/32/64MTCPU, MELSEC iQ-R Series R12CCPU-V, MELSEC Q Series Q03UDECPU, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU, MELSEC Q Series Q03/04/06/13/26UDVCPU, MELSEC Q Series Q04/06/13/26UDPVCPU, MELSEC Q Series Q12DCCPU-V, MELSEC Q Series Q24DHCCPU-V(G), MELSEC Q Series Q24/26DHCCPU-LS, MELSEC Q Series MR-MQ100, MELSEC Q Series Q172/173DCPU-S1, MELSEC Q Series Q172/173DSCPU, MELSEC Q Series Q170MCPU, MELSEC Q Series Q170MSCPU(-S1), MELSEC L Series L02/06/26CPU(-P), MELSEC L Series L26CPU-(P)BT and MELIPC Series MI5122-VW allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-130NVD-CWE-Other

Affected Products

melsec iq-r r00 cpu firmwaremitsubishiICS / OT / IoT
melsec iq-r r01 cpu firmwaremitsubishiICS / OT / IoT
melsec iq-r r02 cpu firmwaremitsubishiICS / OT / IoT
melsec iq-r r04 cpu firmwaremitsubishiICS / OT / IoT
melsec iq-r r08 cpu firmwaremitsubishiICS / OT / IoT
mitsubishicommercialJPICS / OT / IoT
and 162 more affected products View all →

Exploitability

Official Patch Available

References

https://jvn.jp/vu/JVNVU94434051/index.html
jvn.jp
https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02
us-cert.cisa.gov
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf
mitsubishielectric.com
and 16 more references View all →

Timeline

Published
Dec 1, 2021
Last Updated
Nov 21, 2024

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