Improper signature verification in Emerson Proficy Machine Edition
Priority LOW 25CWE-347Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-347.
Summary
Emerson Electric's Proficy Machine Edition Version 9.00 and prior is vulenrable to CWE-347 Improper Verification of Cryptographic Signature, and does not properly verify compiled logic (PDT files) and data blocks data (BLD/BLK files).
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00134 2nd 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
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-2790
- 2026-10-03 Alias added: GHSA-523f-8c6h-pj8g
References
More Emerson Electric's Proficy vulnerabilities
- TI-2022-02588 Insufficient verification of data authenticity in Emerson Proficy Machine Edition CVSS 3.1HIGH 7.8
- TI-2022-02587 Improper access control in Emerson Proficy Machine Edition CVSS 3.1HIGH 7.5
- TI-2022-02583 Path traversal in Emerson Proficy Machine Edition CVSS 3.1HIGH 7.3
- TI-2022-02584 Insufficient verification of data authenticity in Emerson Proficy Machine Edition CVSS 3.1MEDIUM 5.5
Sources
- CVE-2022-2790 · CVE Program
- CVE-2022-2790 · NVD
- FIRST EPSS
- GHSA-523f-8c6h-pj8g · 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