CVE-2022-24321 Denial of service in ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)
A malformed HTTP request can cause a Denial of Service against the Geo SCADA server, impacting industrial control system availability.
- 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-2022-24321?
CVE-2022-24321 is a high-severity denial of service vulnerability in ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions), published on 9 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause Denial of Service against the Geo SCADA server when receiving a malformed HTTP request. Affected Product: ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)
Weakness: CWE-754
Which versions are affected by CVE-2022-24321?
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-2022-24321?
No fix has been published for CVE-2022-24321 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-24321 being exploited?
There is no known exploitation of CVE-2022-24321 in the wild and no public exploit code.
Other vulnerabilities in ClearSCADA (All Versions), EcoStruxure Geo SCADA Expert 2019 (All Versions), EcoStruxure Geo SCADA Expert 2020 (All Versions)
- 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-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)
- 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-r4pj-hff4-ggh8.