THREATPORT/VULNERABILITY/CVE-2025-44177
HIGH SEVERITY

CVE-2025-44177

Protop vulnerability

CVSS
8.2
EPSS
4.2%
EPSS pct
90th
Exploited
No known
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.
Affected vendor
Wss
Affected product
Protop
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
Weakness type (CWE)
Published
2025-07-09

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, high impact to integrity.

Its EPSS score of 4.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2025-44177

  • Confirm whether Wss Protop is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2025-44177.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-44177

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-44177 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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