Description
An arbitrary file overwrite vulnerability in MaruNuri LLC v2.0.23 allows attackers to overwrite critical internal files via the file import process, leading to arbitrary code execution or information exposure.
Affected products
maru: neo.maru
References4
- github.com/Secsys-FDU/AF_CVEs/issues/21 ExploitThird Party Advisory
- maru.xyz/ Product
- play.google.com/store/apps/details?id=neo.maru Product
- secsys.fudan.edu.cn/ Not Applicable
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 54 · as of 12 November 2026
- CWE
- CWE-73
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.