CVE-2020-21525 Path traversal in n/a
Attackers can bypass directory traversal checks to read arbitrary files from the server in the Halo blog platform.
- 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-2020-21525?
CVE-2020-21525 is a high-severity path traversal vulnerability in n/a, published on 30 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Halo V1.1.3 is affected by: Arbitrary File reading. In an interface that reads files in halo v1.1.3, a directory traversal check is performed on the input path parameter, but the startsWith function can be used to bypass it.
Weakness: CWE-22
Which versions are affected by CVE-2020-21525?
It affects 1 product.
Products include Halo Halo.
How do I fix CVE-2020-21525?
No fix has been published for CVE-2020-21525 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-2020-21525 being exploited?
There is no known exploitation of CVE-2020-21525 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-5p4c-gjhv-hc8c.