ABB Relion REX640 Insufficient file access control
Priority LOW 30CWE-732Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Incorrect Permission Assignment for Critical Resource vulnerability in ABB REX640 PCL1, REX640 PCL2, REX640 PCL3 allows an authenticated attacker to launch an attack against the user database file and try to take control of an affected system node.
Why it matters now
EPSS 0.00665 52nd percentileScored 2026-11-07
Fix Fixed REX640 PCL2 (ABB): 1.1.4REX640 PCL3 (ABB): 1.2.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ABB | REX640 PCL1 | up to 1.0.7 | — | No fix listed | CNA |
| ABB | REX640 PCL2 | before 1.1.4 | 1.1.4 | Patch available | CNA |
| ABB | REX640 PCL3 | before 1.2.1 | 1.2.1 | Patch available | CNA |
- REX640 PCL1 VendorABB Affected up to 1.0.7 Fixed in — No fix listed CNA
- REX640 PCL2 VendorABB Affected before 1.1.4 Fixed in 1.1.4 Patch available CNA
- REX640 PCL3 VendorABB Affected before 1.2.1 Fixed in 1.2.1 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:abb:rex640_pcl1_firmware:*:*:*:*:*:*:*:* | up to 1.0.7 | Vulnerable | ABB |
| cpe:2.3:h:abb:rex640_pcl1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ABB |
| cpe:2.3:o:abb:rex640_pcl2_firmware:*:*:*:*:*:*:*:* | before 1.1.4 | Vulnerable | ABB |
| cpe:2.3:h:abb:rex640_pcl2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ABB |
| cpe:2.3:o:abb:rex640_pcl3_firmware:*:*:*:*:*:*:*:* | before 1.2.1 | Vulnerable | ABB |
| cpe:2.3:h:abb:rex640_pcl3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ABB |
- cpe:2.3:o:abb:rex640_pcl1_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.7 Vulnerable ·ABB
- cpe:2.3:h:abb:rex640_pcl1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB
- cpe:2.3:o:abb:rex640_pcl2_firmware:*:*:*:*:*:*:*:* Versions before 1.1.4 Vulnerable ·ABB
- cpe:2.3:h:abb:rex640_pcl2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB
- cpe:2.3:o:abb:rex640_pcl3_firmware:*:*:*:*:*:*:*:* Versions before 1.2.1 Vulnerable ·ABB
- cpe:2.3:h:abb:rex640_pcl3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB
Remediation
- Fix · CNA REX640 PCL2 (ABB) Fixed in 1.1.4
- Fix · CNA REX640 PCL3 (ABB) Fixed in 1.2.1
Timeline
- 2026-10-02 Threatist record created from CVE-2022-1596
- 2026-10-03 Alias added: GHSA-xcx4-g33r-wmfq
- 2026-10-16 EPSS moved to the 50th–90th percentile
References
More ABB Rex640 Pcl1 Firmware vulnerabilities
- TI-2023-02695 Session cookie exposure for client side script CVSS 3.1MEDIUM 6.1
- TI-2021-05261 MMS File Transfer Vulnerability impact on Distribution Automation products CVSS 3.1MEDIUM 6.2
Sources
- CVE-2022-1596 · CVE Program
- CVE-2022-1596 · NVD
- FIRST EPSS
- GHSA-xcx4-g33r-wmfq · 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