Information disclosure in freeradius
Priority MEDIUM 41CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 3 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-200.
Summary
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 it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00891 59th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 3 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | freeradius | unknown | — | No fix listed | CNA |
- freeradius Vendor— Affected unknown Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:* | before 3.0.0 | Vulnerable | freeradius |
- cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:* Versions before 3.0.0 Vulnerable ·freeradius
Remediation
Red Hat 2 advisories
- RHSA-2023:2870 Released 2023-05-16 · Red Hat rating Moderatefreeradius:3.0 security update
- Red Hat Enterprise Linux AppStream (v. 8) freeradius-3.0.20-14.module+el8.8.0+17558+3f8a93b9.aarch64::freeradius:3.0, freeradius-3.0.20-14.module+el8.8.0+17558+3f8a93b9.ppc64le::freeradius:3.0, freeradius-3.0.20-14.module+el8.8.0+17558+3f8a93b9.s390x::freeradius:3.0 +47
- RHSA-2023:2166 Released 2023-05-09 · Red Hat rating Moderatefreeradius security and bug fix update
- Red Hat Enterprise Linux AppStream (v. 9) freeradius-3.0.21-37.el9, freeradius-devel-3.0.21-37.el9, freeradius-doc-3.0.21-37.el9 +4
- Red Hat Enterprise Linux CRB (v. 9) freeradius-mysql-3.0.21-37.el9, freeradius-perl-3.0.21-37.el9, freeradius-postgresql-3.0.21-37.el9 +3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2023:2870 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2023:2166 |
| Red Hat Enterprise Linux CRB (v. 9) | Fixed | RHSA-2023:2166 |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-41859
- 2026-10-03 Alias added: GHSA-cmvm-c7qf-pmc5
References
More Freeradius vulnerabilities
- TI-2019-07466 Race condition in freeradius CVSS 3.1HIGH 7.0
- TI-2024-03351 RADIUS Protocol under RFC2865 is vulnerable to forgery attacks. CVSS 3.1CRITICAL 9.0
- TI-2019-08409 FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing… CVSS 3.0CRITICAL 9.8
- TI-2017-08061 An FR-GV-202 issue in FreeRADIUS 2.x before 2.2.10 allows "Write overflow in… CVSS 3.0CRITICAL 9.8
- TI-2017-08066 An FR-GV-301 issue in FreeRADIUS 3.x before 3.0.15 allows "Write overflow in… CVSS 3.0CRITICAL 9.8
- TI-2017-06599 The TLS session cache in FreeRADIUS 2.1.1 through 2.1.7, 3.0.x before 3.0.14, 3.1.x… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2022-41859 · CVE Program
- CVE-2022-41859 · NVD
- FIRST EPSS
- GHSA-cmvm-c7qf-pmc5 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-41859 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences