CVE-2022-41859: In freeradius, the EAP-PWD function compute_password_element() leaks information about the password which allo

Q: How do I fix CVE-2022-41859?

freeradius: upgrade to 3.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2022-41859 being exploited?

CVE-2022-41859 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-2022-41859 affect?

CVE-2022-41859 affects freeradius. Severity is high (CVSS 7.5). In freeradius, the EAP-PWD function compute_password_element() leaks information about the password which allows an attacker to substantially reduce the size of an offline dictionary attack.

Q: How urgent is CVE-2022-41859?

Priority 46/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2022-41859 is a high-severity flaw (CVSS 7.5) affecting freeradius. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In freeradius, the EAP-PWD function compute_password_element() leaks information about the password which allows an attacker to substantially reduce the size of an offline dictionary attack.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-200, CWE-522
Published	2023-01-17
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: freeradius

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

Am I affected?

Timeline

2023-01-17 18:15 UTCPublished CVE record published
2026-06-17 05:03 UTCUpdated Record last modified

freeradius freeradius UPGRADE

Affected: < 3.0.0

Fixed in: 3.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.0.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade freeradius

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-2022-41859?

freeradius: upgrade to 3.0.0. Exact commands for each OS are on this page.

Is CVE-2022-41859 being exploited?

CVE-2022-41859 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-2022-41859 affect?

CVE-2022-41859 affects freeradius. Severity is high (CVSS 7.5). In freeradius, the EAP-PWD function compute_password_element() leaks information about the password which allows an attacker to substantially reduce the size of an offline dictionary attack.

How urgent is CVE-2022-41859?

Priority 46/100. High severity; Remotely exploitable, no login, no user action

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References

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