CVE-2021-22741 Weak cryptography in ClearSCADA (all versions), EcoStruxure Geo SCADA Expert 2019 (all versions), and EcoStruxure Geo SCADA Expert 2020 (V83.7742.1 and prior)
Weak password hashing in ClearSCADA and Geo SCADA Expert allows attackers with database file access to decrypt user credentials.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-22741?
CVE-2021-22741 is a medium-severity vulnerability in ClearSCADA (all versions), EcoStruxure Geo SCADA Expert 2019 (all versions), and EcoStruxure Geo SCADA Expert 2020 (V83.7742.1 and prior), published on 26 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Use of Password Hash with Insufficient Computational Effort vulnerability exists in ClearSCADA (all versions), EcoStruxure Geo SCADA Expert 2019 (all versions), and EcoStruxure Geo SCADA Expert 2020 (V83.7742.1 and prior), which could cause the revealing of account credentials when server database files are available. Exposure of these files to an attacker can make the system vulnerable to password decryption attacks. Note that “.sde” configuration export files do not contain user account password hashes.
Weakness: CWE-916
Which versions are affected by CVE-2021-22741?
It affects 3 products.
Products include Schneider-Electric Clearscada, Schneider-Electric Ecostruxure Geo Scada Expert 2019, Schneider-Electric Ecostruxure Geo Scada Expert 2020.
How do I fix CVE-2021-22741?
No fix has been published for CVE-2021-22741 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-22741 being exploited?
There is no known exploitation of CVE-2021-22741 in the wild and no public exploit code.
Other vulnerabilities in ClearSCADA (all versions), EcoStruxure Geo SCADA Expert 2019 (all versions), and EcoStruxure Geo SCADA Expert 2020 (V83.7742.1 and prior)
- CVE-2019-6854 Missing authorization in EcoStruxure Geo SCADA Expert (ClearSCADA) with initial releases before 1 January 2019 (see notification for more details)
- CVE-2022-24318 Weak cryptography in ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)
- CVE-2022-24321 Denial of service in ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)
- CVE-2022-24319 Other in ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)
- CVE-2022-24320 Other in ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)
Sources
Also known as GHSA-gqjp-r446-ff55.