CVE-2025-43947: Codemers KLIMS 1.6.DEV lacks a proper access control mechanism, allowing a normal KLIMS user to perform all th

Q: How do I fix CVE-2025-43947?

klims: upgrade to newer than 1.6_dev. Exact commands for each OS are on this page.

Q: Is CVE-2025-43947 being exploited?

CVE-2025-43947 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-2025-43947 affect?

CVE-2025-43947 affects klims. Severity is high (CVSS 7.3). Codemers KLIMS 1.6.DEV lacks a proper access control mechanism, allowing a normal KLIMS user to perform all the actions that an admin can perform, such as modifying the configuration, creating a user, uploading files, etc.

Q: How urgent is CVE-2025-43947?

Priority 42/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.3REMOTEUPGRADE

CVE-2025-43947 is a high-severity flaw (CVSS 7.3) affecting klims. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Codemers KLIMS 1.6.DEV lacks a proper access control mechanism, allowing a normal KLIMS user to perform all the actions that an admin can perform, such as modifying the configuration, creating a user, uploading files, etc.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-284
Published	2025-04-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: codemers

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

Am I affected?

Timeline

2025-04-22 18:16 UTCPublished CVE record published
2026-06-17 09:24 UTCUpdated Record last modified

codemers klims UPGRADE

Affected: <= 1.6_dev

Fixed in: newer than 1.6_dev

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.6_dev (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade klims

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-2025-43947?

klims: upgrade to newer than 1.6_dev. Exact commands for each OS are on this page.

Is CVE-2025-43947 being exploited?

CVE-2025-43947 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-2025-43947 affect?

CVE-2025-43947 affects klims. Severity is high (CVSS 7.3). Codemers KLIMS 1.6.DEV lacks a proper access control mechanism, allowing a normal KLIMS user to perform all the actions that an admin can perform, such as modifying the configuration, creating a user, uploading files, etc.

How urgent is CVE-2025-43947?

Priority 42/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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