CVE-2017-20147: In the ebuild package through smokeping-2.7.3-r1 for SmokePing on Gentoo, the initscript uses a PID file that

Q: How do I fix CVE-2017-20147?

smokeping: upgrade to newer than 2.7.3-r1. Exact commands for each OS are on this page.

Q: Is CVE-2017-20147 being exploited?

CVE-2017-20147 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-20147 affect?

CVE-2017-20147 affects smokeping. Severity is medium (CVSS 6.5). 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 arb

Q: How urgent is CVE-2017-20147?

Priority 44/100. Public exploit reference

This month

MEDIUM 6.5UPGRADE

CVE-2017-20147 is a medium-severity flaw (CVSS 6.5) affecting smokeping. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 36%)
CISA exploited list	No
Weakness	CWE-377
Published	2022-09-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: smokeping

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-09-20 18:15 UTCPublished CVE record published
2026-06-17 01:15 UTCUpdated Record last modified

smokeping smokeping UPGRADE

Affected: <= 2.7.3-r1

Fixed in: newer than 2.7.3-r1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy smokeping || rpm -q smokeping || smokeping --version

2. UPGRADE to newer than 2.7.3-r1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade smokeping

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade smokeping

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-20147?

smokeping: upgrade to newer than 2.7.3-r1. Exact commands for each OS are on this page.

Is CVE-2017-20147 being exploited?

CVE-2017-20147 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-20147 affect?

CVE-2017-20147 affects smokeping. Severity is medium (CVSS 6.5). 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 arb

How urgent is CVE-2017-20147?

Priority 44/100. Public exploit reference

Related CVEs

CVE-2016-20015 HIGH 7.5 UPGRADE In the ebuild package through smokeping-2.7.3-r1 for SmokePing on Gentoo, the initscript allows the smokeping

References

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