Path Traversal in Lifesize Clearsea
CVE-2018-25312
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.009 (59.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Lifesize Clearsea — versions 3.1.4
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/44390 (exploit)
- www.vulncheck.com/advisories/lifesize-clearsea-directory-traversal-remote-code-… (third-party-advisory)
Frequently asked questions
- What is CVE-2018-25312?
- CVE-2018-25312 is a medium-severity vulnerability in Lifesize Clearsea, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-04-29.
- How severe is CVE-2018-25312?
- Medium severity. CVSS v3 base score is 6.5 out of 10.