CVE-2021-30497 Path traversal in n/a
Remote unauthenticated attackers can read arbitrary files on Ivanti Avalanche servers via path traversal in the image endpoint.
- 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-2021-30497?
CVE-2021-30497 is a high-severity path traversal vulnerability in Ivanti Avalanche, published on 6 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Ivanti Avalanche (Premise) 6.3.2 allows remote unauthenticated users to read arbitrary files via Absolute Path Traversal. The imageFilePath parameter processed by the /AvalancheWeb/image endpoint is not verified to be within the scope of the image folder, e.g., the attacker can obtain sensitive information via the C:/Windows/system32/config/system.sav value.
Weakness: CWE-22
Which versions are affected by CVE-2021-30497?
It affects 1 product.
Products include Ivanti Avalanche.
How do I fix CVE-2021-30497?
No fix has been published for CVE-2021-30497 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-30497 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-30497 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in Ivanti Avalanche
Sources
Also known as GHSA-5pf7-7gpx-8vjv.