CVE-2022-45789 Auth bypass in EcoStruxure Control Expert
Attackers can hijack authenticated Modbus sessions to execute unauthorized functions on Schneider Electric PLCs and controllers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-45789?
CVE-2022-45789 is a high-severity authentication bypass vulnerability in Schneider Electric EcoStruxure Control Expert , published on 31 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A CWE-294: Authentication Bypass by Capture-replay vulnerability exists that could cause execution of unauthorized Modbus functions on the controller when hijacking an authenticated Modbus session. Affected Products: EcoStruxure Control Expert (All Versions), EcoStruxure Process Expert (All Versions), Modicon M340 CPU - part numbers BMXP34* (All Versions), Modicon M580 CPU - part numbers BMEP* and BMEH* (All Versions), Modicon M580 CPU Safety - part numbers BMEP58*S and BMEH58*S (All Versions)
Weakness: CWE-294
Which versions are affected by CVE-2022-45789?
It affects 37 products.
Products include Schneider-Electric Ecostruxure Control Expert, Schneider-Electric Ecostruxure Process Expert, Schneider-Electric Modicon M340 Bmxp341000 Firmware, Schneider-Electric Modicon M340 Bmxp342000 Firmware, Schneider-Electric Modicon M340 Bmxp3420102 Firmware, Schneider-Electric Modicon M340 Bmxp342010 Firmware and 31 more.
How do I fix CVE-2022-45789?
No fix has been published for CVE-2022-45789 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2022-45789 being exploited?
There is no known exploitation of CVE-2022-45789 in the wild and no public exploit code.
Other vulnerabilities in Schneider Electric EcoStruxure Control Expert
- CVE-2022-37300 Auth bypass in EcoStruxure Control Expert
- CVE-2020-28212 Auth bypass in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions)
- CVE-2020-7475 Code injection in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20), Modicon M580 (all versions prior to V3.10)
- CVE-2023-27976 Other in EcoStruxure Control Expert
- CVE-2020-28213 Code injection in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions)
Sources
Also known as GHSA-c7w2-f8m6-pxp8.