Vulnerability · Published Jan 17, 2023 · Assigned by jpcert

CVE-2023-22357

Critical 9.8

In plain English

A critical-severity security flaw in CP1L-EL20DR-D from OMRON Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)1.2%top 31.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Active debug code exists in OMRON CP1L-EL20DR-D all versions, which may lead to a command that is not specified in FINS protocol being executed without authentication. A remote unauthenticated attacker may read/write in arbitrary area of the device memory, which may lead to overwriting the firmware, causing a denial-of-service (DoS) condition, and/or arbitrary code execution.

Affected products (as reported)

Vendor	Product	Versions
OMRON Corporation	CP1L-EL20DR-D	All versions

Weakness: CWE-489 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://jvn.jp/en/vu/JVNVU97575890/index.html