CVE-2020-5668 Detail

Description

Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series modules (R00/01/02CPU firmware version '19' and earlier, R04/08/16/32/120 (EN) CPU firmware version '51' and earlier, R08/16/32/120SFCPU firmware version '22' and earlier, R08/16/32/120PCPU all versions, R08/16/32/120PSFCPU all versions, RJ71EN71 firmware version '47' and earlier, RJ71GF11-T2 firmware version '47' and earlier, RJ72GF15-T2 firmware version '07' and earlier, RJ71GP21-SX firmware version '47' and earlier, RJ71GP21S-SX firmware version '47' and earlier, RJ71C24 (-R2/R4) all versions, and RJ71GN11-T2 all versions) allows a remote unauthenticated attacker to cause an error in a CPU unit and cause a denial-of-service (DoS) condition in execution of the program and its communication, or to cause a denial-of-service (DoS) condition in communication via the module by a specially crafted SLMP packet


Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD score not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://jvn.jp/vu/JVNVU95980140/index.html
https://us-cert.cisa.gov/ics/advisories/icsa-20-324-05
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-016.pdf
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-016_en.pdf

Weakness Enumeration

CWE-ID CWE Name Source

Change History

0 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-5668
NVD Published Date:
11/19/2020
NVD Last Modified:
11/20/2020
Source:
JPCERT/CC