Which versions of Java are affected by CVE-2025-3381?

CVE-2025-3381 presents moderate security risk, a path traversal vulnerability rated CVSS 5.3. This could allow unauthorized file access. Proof-of-concept code is publicly available.

Is there a public PoC exploit available for CVE-2025-3381?

Yes, a public proof-of-concept exploit is available for CVE-2025-3381. Prioritise patching immediately. EPSS: 0.7%.

How to fix or mitigate CVE-2025-3381?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review file handling controls.

Java CVE-2025-3381

Q: What is the CVSS score of CVE-2025-3381?

CVE-2025-3381 has a CVSS 4.0 base score of 5.3 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/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. EPSS exploitation probability: 0.7%.

MEDIUM

Path Traversal (CWE-22)

2025-04-07 cna@vuldb.com

Path Traversal File Upload Java Youkefu

5.3

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/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

Low

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:35 vuln.today

PoC Detected

Oct 10, 2025 - 12:44 vuln.today

Public exploit code

CVE Published

Apr 07, 2025 - 20:15 nvd

MEDIUM 5.3

DescriptionCVE.org

A vulnerability, which was classified as critical, was found in zhangyanbo2007 youkefu 4.2.0. This affects an unknown part of the file WebIMController.java of the component File Upload. The manipulation of the argument ID leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

A vulnerability, which was classified as critical, was found in zhangyanbo2007 youkefu 4.2.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. A vulnerability, which was classified as critical, was found in zhangyanbo2007 youkefu 4.2.0. This affects an unknown part of the file WebIMController.java of the component File Upload. The manipulation of the argument ID leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Affected products include: Zhangyanbo2007 Youkefu.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.