CVE-2021-3825: On 2.1.15 version and below of Lider module in LiderAhenk software is leaking it's configurations via an unsec

Q: How do I fix CVE-2021-3825?

liderahenk: upgrade to newer than 2.1.15. Exact commands for each OS are on this page.

Q: Is CVE-2021-3825 being exploited?

CVE-2021-3825 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-2021-3825 affect?

CVE-2021-3825 affects liderahenk. Severity is critical (CVSS 9.6). On 2.1.15 version and below of Lider module in LiderAhenk software is leaking it's configurations via an unsecured API. An attacker with an access to the configurations API could get valid LDAP credentials.

Q: How urgent is CVE-2021-3825?

Priority 58/100. Critical severity; Public exploit reference

This month

CRITICAL 9.6UPGRADE

CVE-2021-3825 is a critical-severity flaw (CVSS 9.6) affecting liderahenk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

On 2.1.15 version and below of Lider module in LiderAhenk software is leaking it's configurations via an unsecured API. An attacker with an access to the configurations API could get valid LDAP credentials.

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.6 (Critical)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-306
Published	2021-10-01
Last modified	2026-06-17

Publisher (CNA): Computer Emergency Response Team of the Republic of Turkey · Vendor: pardus

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

Am I affected?

Timeline

2021-10-01 15:15 UTCPublished CVE record published
2026-06-17 04:05 UTCUpdated Record last modified

pardus liderahenk UPGRADE

Affected: <= 2.1.15

Fixed in: newer than 2.1.15

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.1.15 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade liderahenk

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-2021-3825?

liderahenk: upgrade to newer than 2.1.15. Exact commands for each OS are on this page.

Is CVE-2021-3825 being exploited?

CVE-2021-3825 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-2021-3825 affect?

CVE-2021-3825 affects liderahenk. Severity is critical (CVSS 9.6). On 2.1.15 version and below of Lider module in LiderAhenk software is leaking it's configurations via an unsecured API. An attacker with an access to the configurations API could get valid LDAP credentials.

How urgent is CVE-2021-3825?

Priority 58/100. Critical severity; Public exploit reference

References

← Back to latest CVEs