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CVE-2022-1596

ABB Relion REX640 Insufficient file access control

MEDIUM
6.5
CVSS Score
Published: June 21, 2022 at 02:23 PM UTC
Updated: June 17, 2026 at 04:22 AM UTC
6 products affected across 1 vendorREX640 PCL2 FirmwareREX640 PCL1 FirmwareREX640 PCL3 Firmware

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.7%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

REX640 PCL1 Firmware· ABB
95%
v ≤ 1.0.7
abb-rex640-pcl1 (same device)
REX640 PCL2 Firmware· ABB
95%
v < 1.1.4
Affected range stops below 1.1.4, so it looks safe — our inference, not a vendor statement
abb-rex640-pcl2 (same device)
REX640 PCL3 Firmware· ABB
95%
v < 1.2.1
Affected range stops below 1.2.1, so it looks safe — our inference, not a vendor statement
abb-rex640-pcl3 (same device)
REX640 PCL1· ABB
60%
v ≤ 1.0.7
REX640 PCL2· ABB
60%
v < 1.1.4
Affected range stops below 1.1.4, so it looks safe — our inference, not a vendor statement
REX640 PCL3· ABB
60%
v < 1.2.1
Affected range stops below 1.2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCMitigationVendor Advisory
Source: [email protected]
https://search.abb.com/library/Download.aspx?DocumentID=2NGA001421

CVSS

6.5MEDIUMABB
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-732

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