CVE-2019-12105: In Supervisor through 4.0.2, an unauthenticated user can read log files or restart a service

Q: How do I fix CVE-2019-12105?

supervisor: upgrade to newer than 4.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2019-12105 being exploited?

CVE-2019-12105 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-2019-12105 affect?

CVE-2019-12105 affects supervisor. Severity is high (CVSS 8.2). In Supervisor through 4.0.2, an unauthenticated user can read log files or restart a service. Note: The maintainer responded that the affected component, inet_http_server, is not enabled by default but if the user enables it and does not se

Q: How urgent is CVE-2019-12105?

Priority 55/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 8.2REMOTEUPGRADE

CVE-2019-12105 is a high-severity flaw (CVSS 8.2) affecting supervisor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Supervisor through 4.0.2, an unauthenticated user can read log files or restart a service. Note: The maintainer responded that the affected component, inet_http_server, is not enabled by default but if the user enables it and does not set a password, Supervisor logs a warning message. The maintainer indicated the ability to run an open server will not be removed but an additional warning was added to the documentation

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-306
Published	2019-09-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: supervisord

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

Am I affected?

Timeline

2019-09-10 17:15 UTCPublished CVE record published
2026-06-17 02:14 UTCUpdated Record last modified

supervisord supervisor UPGRADE

Affected: <= 4.0.2

Fixed in: newer than 4.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 4.0.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade supervisor

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-2019-12105?

supervisor: upgrade to newer than 4.0.2. Exact commands for each OS are on this page.

Is CVE-2019-12105 being exploited?

CVE-2019-12105 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-2019-12105 affect?

CVE-2019-12105 affects supervisor. Severity is high (CVSS 8.2). In Supervisor through 4.0.2, an unauthenticated user can read log files or restart a service. Note: The maintainer responded that the affected component, inet_http_server, is not enabled by default but if the user enables it and does not se

How urgent is CVE-2019-12105?

Priority 55/100. High severity; Remotely exploitable, no login, no user action

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CVE-2017-11610 HIGH 8.8 UPGRADE MITIGATE The XML-RPC server in supervisor before 3.0.1, 3.1.x before 3.1.4, 3.2.x before 3.2.4, and 3.3.x before 3.3.3

References

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