CVE-2021-39500 Path traversal in n/a
Attackers can exploit directory traversal in Eyoucms to write files to arbitrary writable directories via unsanitized input parameters.
- 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-2021-39500?
CVE-2021-39500 is a high-severity path traversal vulnerability in Eyoucms Eyoucms, published on 7 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Eyoucms 1.5.4 is vulnerable to Directory Traversal. Due to a lack of input data sanitizaton in param tpldir, filename, type, nid an attacker can inject "../" to escape and write file to writeable directories.
Weakness: CWE-22
Which versions are affected by CVE-2021-39500?
It affects 1 product.
Products include Eyoucms Eyoucms.
How do I fix CVE-2021-39500?
No fix has been published for CVE-2021-39500 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-2021-39500 being exploited?
There is no known exploitation of CVE-2021-39500 in the wild and no public exploit code.
Other vulnerabilities in Eyoucms Eyoucms
Sources
Also known as GHSA-4j9r-462v-9f34.