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Fencer Vulns
high 7.5

CVE-2016-20015 json

In the ebuild package through smokeping-2.7.3-r1 for SmokePing on Gentoo, the initscript allows the smokeping user to gain ownership of any…

published 2022-09-20 4 y ago modified 2026-06-17 4 mo ago also EUVD-2016-3103

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

In the ebuild package through smokeping-2.7.3-r1 for SmokePing on Gentoo, the initscript allows the smokeping user to gain ownership of any file, allowing for the smokeping user to gain root privileges. There is a race condition involving /var/lib/smokeping and chown.

CISA SSVC

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

Exploit prediction

0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.gentoo.org https://bugs.gentoo.org/602652 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

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.