CVE-2021-42133 File upload in Ivanti Avalanche
An attacker with access to the Inforail Service can perform arbitrary file writes, potentially leading to code execution or data modification.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-42133?
CVE-2021-42133 is a high-severity vulnerability in Ivanti Avalanche, published on 7 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An exposed dangerous function vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform an arbitrary file write.
Which versions are affected by CVE-2021-42133?
It affects 1 product.
Products include Ivanti Avalanche.
How do I fix CVE-2021-42133?
No fix has been published for CVE-2021-42133 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-42133 being exploited?
There is no known exploitation of CVE-2021-42133 in the wild and no public exploit code.
Other vulnerabilities in Ivanti Avalanche
Sources
Also known as GHSA-fmw2-6w6r-r52f.