CVE-2021-42124 Auth bypass in Ivanti Avalanche
An attacker with access to the Inforail Service can perform a session takeover due to improper access control 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-2021-42124?
CVE-2021-42124 is a high-severity authentication bypass 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 improper access control vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform a session takeover.
Weakness: CWE-284
Which versions are affected by CVE-2021-42124?
It affects 1 product.
Products include Ivanti Avalanche.
How do I fix CVE-2021-42124?
No fix has been published for CVE-2021-42124 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-42124 being exploited?
There is no known exploitation of CVE-2021-42124 in the wild and no public exploit code.
Other vulnerabilities in Ivanti Avalanche
Sources
Also known as GHSA-jcr9-6f4v-3f68.