UJCMS ZIP Package information disclosure

published 2023-06-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43907

cvss: 3.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

A vulnerability has been found in UJCMS up to 6.0.2 and classified as problematic. This vulnerability affects unknown code of the component ZIP Package Handler. The manipulation of the argument dir leads to information disclosure. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 7.0.0 is able to address this issue. It is recommended to upgrade the affected component. VDB-231502 is the identifier assigned to this vulnerability.

Exploit prediction

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/ujcms/ujcms/issues/6 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.1	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	3.0	3.1	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	2.0	2.1	AV:N/AC:H/Au:S/C:P/I:N/A:N
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

n/a UJCMS

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

github.com /ujcms/ujcms/issues/6
exploit, issue-tracking, vendor-advisory
vuldb.com /?id.231502
vdb-entry, technical-description, permissions-required
vuldb.com /?ctiid.231502
signature, permissions-required

Sources

CVE List CVE-2023-3231
NVD CVE-2023-3231

Fencer Vulns 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