CVE-2021-22285 Denial of service in PNI800
Attackers can cause denial of service or unresponsiveness in ABB SPIET800 and PNI800 modules due to improper handling of exceptional conditions.
- 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-2021-22285?
CVE-2021-22285 is a high-severity denial of service vulnerability in ABB PNI800, published on 4 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Handling of Exceptional Conditions, Improper Check for Unusual or Exceptional Conditions vulnerability in the ABB SPIET800 and PNI800 module that allows an attacker to cause the denial of service or make the module unresponsive.
Which versions are affected by CVE-2021-22285?
It affects 2 products.
Products include Abb Pni800 Firmware, Abb Spiet800 Firmware.
How do I fix CVE-2021-22285?
No fix has been published for CVE-2021-22285 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-2021-22285 being exploited?
There is no known exploitation of CVE-2021-22285 in the wild and no public exploit code.
Other vulnerabilities in ABB PNI800
Sources
Also known as GHSA-24xv-3279-x7hj.