cnlh nps vulnerable to file overwrite by local user

published 2019-08-16 7 y ago modified 2026-06-17 4 mo ago also GHSA-2vp2-8m5j-4rjx , GO-2025-3625 , EUVD-2019-6190

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits: 0; none known

lib/install/install.go in cnlh nps through 0.23.2 uses 0777 permissions for /usr/local/bin/nps and/or /usr/bin/nps, leading to a file overwrite by a local user.

Patch / fix

fixed in 2 distros 1 links 1

go ehang.io/nps 0.23.2
go github.com/cnlh/nps 0.23.2

govulncheck-vulndb openSUSE Tumbleweed 0.0.20250422T181640-1.1

opensuse advisories openSUSE-SU-2025:15017-1

github.com/cnlh/nps@7178b33 commit

Exploit prediction

0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/cnlh/nps/issues/176 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD	2.0	5.8	AV:N/AC:M/Au:N/C:N/I:P/A:P
GitHub	3.0	5.5	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected packages

ecosystem	package	affected	fixed in
go	ehang.io/nps	<0.23.2	0.23.2
go	github.com/cnlh/nps	<0.23.2	0.23.2

Classification

Weakness

CWE-732 Incorrect Permission Assignment for Critical Resource

References

github.com /cnlh/nps/commit/7178b3380720e910d283036a8d39879a94105515
web, patch, third-party-advisory
github.com /cnlh/nps/issues/176
web, exploit, third-party-advisory, report
nvd.nist.gov /vuln/detail/CVE-2019-15119
advisory
github.com /cnlh/nps
package
github.com /advisories/GHSA-2vp2-8m5j-4rjx
advisory

Sources

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