Vulnerability CVE-2021-20610


Published: 2021-12-01

Description:
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.

Type:

NVD-CWE-Other

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
ZOOM -> Zoom on-premise virtual room connector 
ZOOM -> Meetings for chrome os 
ZOOM -> Zoom on-premise virtual room connector load balancer 
ZOOM -> Virtual desktop infrastructure 
ZOOM -> Vdi azure virtual desktop 
ZOOM -> Android meeting sdk 
ZOOM -> Vdi citrix 
ZOOM -> Iphone os meeting sdk 
ZOOM -> Vdi vmware 
ZOOM -> Macos meeting sdk 
ZOOM -> Vdi windows meeting client 
ZOOM -> Windows meeting sdk 
ZOOM -> Android video sdk 
ZOOM -> Iphone os video sdk 
ZOOM -> Macos video sdk 
ZOOM -> Windows video sdk 
ZOOM -> Hybrid mmr 
ZOOM -> Hybrid zproxy 
ZOOM -> Zoom on-premise meeting connector controller 
ZOOM -> Zoom on-premise meeting connector mmr 
ZOOM -> Zoom on-premise recording connector 

 References:
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf
https://jvn.jp/vu/JVNVU94434051/index.html
https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02

Copyright 2022, cxsecurity.com

 

Back to Top