Arbitrary File Overwrite

published 2024-12-24 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-38913

cvss: 5.1; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

Team ENVY, a Security Research TEAM has found a flaw that allows for a remote code execution on the NVR. An attacker can create an NVR log file in a directory one level higher on the system, which can be used to corrupt files in the directory. The manufacturer has released patch firmware for the flaw, please refer to the manufacturer's report for details and workarounds.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 22 mo ago (2024-12-24)

Exploit prediction

1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CNA	4.0	5.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

Hanwha Vision Co., Ltd. XRN-420S

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

hanwhavision.com /wp-content/uploads/2024/12/NVR-Vulnerability-Report-CVE-2024-4188241887.pdf
vendor-advisory

Sources

CVE List CVE-2024-41887
NVD CVE-2024-41887

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