9.8

CVE-2023-22357: omron corporation cp1l-el20dr-d Active Debug Code

CVSS: 9.8v3.1CriticalModified
Published 17-01-2023Last modified 04-04-2025
Open JSON

Vulnerability summary

CVE-2023-22357 is a critical (CVSS 9.8) Active Debug Code vulnerability in omron corporation cp1l-el20dr-d. EPSS estimates a 1.17% chance of exploitation in the next 30 days, higher than 67.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-01-2023
    PublishedVulnerability first disclosed.
  2. 04-04-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.17%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.17% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Omron corporation1 product

1 vendor · 1 product

References

1 links