🛡️ CVE-2023-25305 — polymc

🟠 CVSS 7.1 — High ⚠️ Exploit Public CWE-22 NVD
7.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability none.

Weakness class

CVE-2023-25305 is classified as CWE-22: Path Traversal. A file path built from user input is not confined to the intended directory, letting an attacker reach files elsewhere on the filesystem.

Affected software

CVE-2023-25305 is recorded against 1 package.

  • polymc (fixed in 5.0)

Timeline and source

Published on 4 April 2023 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
quiltmc.org
github.com
quiltmc.org

Details

Severity HIGH
CVSS Score 7.1
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CWE CWE-22
Public Exploit ⚠️ Yes
Source NVD
Published 2023-04-04
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
polymc — 5.0

Exploit Protection

Are you running polymc?

CVE-2023-25305 carries CVSS 7.1 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

Check My Site For CVE-2023-25305 →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.