Path Traversal in Wss Protop
CVE-2025-44177
A directory traversal vulnerability was discovered in White Star Software Protop version 4.4.2-2024-11-27, specifically in the /pt3upd/ endpoint. An unauthenticated attacker can remotely read arbitrary files on the underlying OS using encoded traversal sequences.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.
EPSS exploit prediction
EPSS: 0.044 (91.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.042 · newest: 0.044 · change: +0.002
Affected products
- Wss Protop — versions 4.4.2-2024-11-27
Weakness classification (CWE)
References
- gist.github.com/stSLAYER/4a2ecfbab1215a0be0dde59c4ac0122d (Exploit, Third Party Advisory)
- protop.com (Product)
Frequently asked questions
- What is CVE-2025-44177?
- CVE-2025-44177 is a high-severity vulnerability in Wss Protop, classified under Path Traversal. CVSS score: 8.2/10. Published 2025-07-09.
- How severe is CVE-2025-44177?
- High severity. CVSS v3 base score is 8.2 out of 10.