CVE-2018-25312 LifeSize ClearSea 3.1.4 Directory Traversal Remote Code Execution
Authenticated attackers can exploit directory traversal in LifeSize ClearSea to upload arbitrary files, leading to remote code execution.
- 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-2018-25312?
CVE-2018-25312 is a high-severity path traversal vulnerability in LifeSize ClearSea, published on 29 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
LifeSize ClearSea 3.1.4 contains directory traversal vulnerabilities that allow authenticated attackers to download and upload arbitrary files by manipulating path parameters in the smartgui interface. Attackers can exploit the upload endpoint with directory traversal sequences to write files to arbitrary locations on the system, enabling remote code execution.
Weakness: CWE-22
Which versions are affected by CVE-2018-25312?
How do I fix CVE-2018-25312?
No fix has been published for CVE-2018-25312 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-2018-25312 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25312 exists.
Sources
Also known as GHSA-xg4x-2cmm-rgc9.