CVE-2024-2231: The allows any authenticated user to join a private group due to a missing authorization check on a function

Q: How do I fix CVE-2024-2231?

himer: upgrade to 2.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-2231 being exploited?

CVE-2024-2231 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-2024-2231 affect?

CVE-2024-2231 affects himer. Severity is medium (CVSS 6.5). The allows any authenticated user to join a private group due to a missing authorization check on a function

Q: How urgent is CVE-2024-2231?

Priority 31/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2024-2231 is a medium-severity flaw (CVSS 6.5) affecting himer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The allows any authenticated user to join a private group due to a missing authorization check on a function

Why this priority

No elevated risk signals yet

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	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-863
Published	2024-07-03
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: 2code

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

Am I affected?

Timeline

2024-07-03 06:15 UTCPublished CVE record published
2026-06-17 07:24 UTCUpdated Record last modified

2code himer UPGRADE

Affected: < 2.1.1

Fixed in: 2.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.1.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade himer

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-2024-2231?

himer: upgrade to 2.1.1. Exact commands for each OS are on this page.

Is CVE-2024-2231 being exploited?

CVE-2024-2231 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-2024-2231 affect?

CVE-2024-2231 affects himer. Severity is medium (CVSS 6.5). The allows any authenticated user to join a private group due to a missing authorization check on a function

How urgent is CVE-2024-2231?

Priority 31/100. No elevated risk signals yet.

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References

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