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Fencer Vulns
medium 6.5

CVE-2017-20147 json

In the ebuild package through smokeping-2.7.3-r1 for SmokePing on Gentoo, the initscript uses a PID file that is writable by the smokeping…

published 2022-09-20 4 y ago modified 2026-06-17 4 mo ago also EUVD-2017-11153

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

In the ebuild package through smokeping-2.7.3-r1 for SmokePing on Gentoo, the initscript uses a PID file that is writable by the smokeping user. By writing arbitrary PIDs to that file, the smokeping user can cause a denial of service to arbitrary PIDs when the service is stopped.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.gentoo.org https://bugs.gentoo.org/631140 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness
  • CWE-377 DEPRECATED: Insecure Temporary File

References

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.