feng_ha_ha/megagao ssm-erp/production_ssm File FileController.java handleFileDownload path traversal

published 2025-05-11 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-14330

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

A vulnerability was found in feng_ha_ha/megagao ssm-erp and production_ssm 1.0. It has been declared as problematic. Affected by this vulnerability is the function handleFileDownload of the file FileController.java of the component File Handler. The manipulation leads to path traversal. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product is distributed under two entirely different names.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 17 mo ago (2025-05-12)

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/Hao-Ni/CVE/issues/2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	3.0	4.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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

Affected products

feng_ha_ha ssm-erp
feng_ha_ha production_ssm
megagao ssm-erp
megagao production_ssm

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

github.com /Hao-Ni/CVE/issues/2
exploit, issue-tracking
vuldb.com /?id.308275
vdb-entry, technical-description
vuldb.com /?ctiid.308275
signature, permissions-required
vuldb.com /?submit.565380
third-party-advisory

Sources

CVE List CVE-2025-4530
NVD CVE-2025-4530

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary