Active debug code exists in OMRON CP1L-EL20DR-D all versions, which may lead to a command…
Priority MEDIUM 51CWE-489Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01218 68th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OMRON Corporation | CP1L-EL20DR-D | All versions | — | No fix listed | CNA |
- CP1L-EL20DR-D VendorOMRON Corporation Affected All versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:omron:cp1l-el20dr-d_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | OMRON Corporation |
| cpe:2.3:h:omron:cp1l-el20dr-d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | OMRON Corporation |
- cpe:2.3:o:omron:cp1l-el20dr-d_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·OMRON Corporation
- cpe:2.3:h:omron:cp1l-el20dr-d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·OMRON Corporation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-22357
- 2026-10-03 Alias added: GHSA-rjg6-q2fh-x6mj
References
More OMRON Corporation Cp1l-el20dr-d Firmware vulnerabilities
- TI-2023-12128 Missing authentication in OMRON Corporation Multiple OMRON products which implement FINS… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-22357 · CVE Program
- CVE-2023-22357 · NVD
- FIRST EPSS
- GHSA-rjg6-q2fh-x6mj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences