CVE-2023-25305 json
PolyMC Launcher <= 1.4.3 is vulnerable to Directory Traversal.
published 2023-04-04 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-29267
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
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.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- quiltmc.org https://quiltmc.org/en/blog/2023-02-04-five-installer-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
| NVD | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/PolyMC/PolyMC/security/advisories/GHSA-3rfr-g9g9-7gx2
patch, vendor-advisory
-
quiltmc.org
/en/blog/2023-02-04-five-installer-vulnerabilities/
exploit, third-party-advisory
Sources
- CVE List CVE-2023-25305
- NVD CVE-2023-25305
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