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.
Does this matter?
A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 4.4%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
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.
- CVSS 3.1
- 8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
- EPSS
- 4.43% probability · 91th percentile
- Public exploits
- 1 in Exploit-DB · first 16 July 2025
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- wss/protop
- Source
- cve@mitre.org
EPSS 4.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://gist.github.com/stSLAYER/4a2ecfbab1215a0be0dde59c4ac0122dExploit, Third Party Advisory
- https://protop.comProduct
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.