CVE-2025-4639

HIGH
2025-05-14 [email protected]
8.8
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:41 vuln.today
CVE Published
May 14, 2025 - 18:15 nvd
HIGH 8.8

Tags

XXE

Description

CWE-611 Improper Restriction of XML External Entity Reference in the getDocumentBuilder() method of WebDav servlet in Peergos. This issue affects Peergos through version 1.1.0.

Analysis

1.0. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. Version information: version 1.1.0..

Affected Products

Peergos. This.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +44
POC: 0

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CVE-2025-4639 vulnerability details – vuln.today
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