TI-2023-10702 Aliases CVE-2023-25305

PolyMC Launcher <= 1.4.3 is vulnerable to Directory Traversal.

LOW 34CWE-22Published 2023-04-04 · Updated 2025-02-13

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

PolyMC Launcher <= 1.4.3 is vulnerable to Directory Traversal. A mrpack file can be maliciously crafted to create arbitrary files outside of the installation directory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00559 46th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:polymc:polymc::::::::	before 5.0	Vulnerable	Polymc

cpe:2.3:a:polymc:polymc:*:*:*:*:*:*:*:* Versions before 5.0 Vulnerable ·Polymc

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-25305

References

Exploit 1

https://quiltmc.org/en/blog/2023-02-04-five-installer-vulnerabilities/

Patch 1

https://github.com/PolyMC/PolyMC/security/advisories/GHSA-3rfr-g9g9-7gx2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences