Is there a public PoC exploit available for CVE-2025-8839?

Yes, a public proof-of-concept exploit is available for CVE-2025-8839. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-8839?

Within 30 days: Identify affected systems running jshERP and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

CVE-2025-8839

Q: What is the CVSS score of CVE-2025-8839?

CVE-2025-8839 has a CVSS 4.0 base score of 2.1 (Low). 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:P/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: 0.1%.

LOW

Incorrect Privilege Assignment (CWE-266)

2025-08-11 cna@vuldb.com

Information Disclosure

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

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:P/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:P/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

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

5.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 28, 2026 - 19:06 vuln.today

PoC Detected

Sep 09, 2025 - 19:00 vuln.today

Public exploit code

CVE Published

Aug 11, 2025 - 09:15 nvd

MEDIUM 5.3

DescriptionCVE.org

A vulnerability was found in jshERP up to 3.5. This issue affects some unknown processing of the file /jshERP-boot/user/addUser of the component Endpoint. The manipulation leads to improper authorization. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

A vulnerability was found in jshERP up to 3.5. 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 under CWE-266. A vulnerability was found in jshERP up to 3.5. The manipulation leads to improper authorization. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Affected products include: Jishenghua Jsherp. Version information: up to 3.5..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-8839 vulnerability details – vuln.today

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