CVE-2022-1596

ABB Relion REX640 Insufficient file access control

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.

Remediation

Workaround:

  • Although these workarounds will not correct the underlying vulnerability, they can help blocking known attack vectors. • Limit the HTTP(s) and FTP(S) to a local network by a firewall • Use a next generation (OSI layer 7) firewall for blocking the traffic to the userdb.xml file • Disable remote WHMI and FTP(S) and use local HMI only

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.16%
Vendor Advisory abb.com
Affected: ABB REX640 PCL1
Affected: ABB REX640 PCL2
Affected: ABB REX640 PCL3
Published at:
Updated at:

References

Link Tags
https://search.abb.com/library/Download.aspx?DocumentID=2NGA001421 mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-1596?
CVE-2022-1596 has been scored as a medium severity vulnerability.
How to fix CVE-2022-1596?
As a workaround for remediating CVE-2022-1596: Although these workarounds will not correct the underlying vulnerability, they can help blocking known attack vectors. • Limit the HTTP(s) and FTP(S) to a local network by a firewall • Use a next generation (OSI layer 7) firewall for blocking the traffic to the userdb.xml file • Disable remote WHMI and FTP(S) and use local HMI only
Is CVE-2022-1596 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-1596 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-1596?
CVE-2022-1596 affects ABB REX640 PCL1, ABB REX640 PCL2, ABB REX640 PCL3.
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