CVE-2021-42130 Deserialization in Ivanti Avalanche
An attacker with access to the Inforail Service can achieve arbitrary code execution via unsafe deserialization in Ivanti Avalanche.
- 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-2021-42130?
CVE-2021-42130 is a high-severity unsafe deserialization 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
A deserialization of untrusted data vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary code execution.
Weakness: CWE-502
Which versions are affected by CVE-2021-42130?
It affects 1 product.
Products include Ivanti Avalanche.
How do I fix CVE-2021-42130?
No fix has been published for CVE-2021-42130 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2021-42130 being exploited?
There is no known exploitation of CVE-2021-42130 in the wild and no public exploit code.
Other vulnerabilities in Ivanti Avalanche
Sources
Also known as GHSA-qhvf-58cr-6vq3.