Home/CVE/A flaw was found in freeradius. A malicious RADIUS client or home server can send a malformed abinary attribute which ca
CVE

CVE-2022-41861

A flaw was found in freeradius. A malicious RADIUS client or home server can send a malformed abinary attribute which ca

A flaw was found in freeradius. A malicious RADIUS client or home server can send a malformed abinary attribute which can cause the server to crash.

MEDIUM · CVSS 6.5 EPSS 0.00393
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

1
freeradius<= 3.0.25
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Jan 2023 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

13
suse-csafopenSUSE-SU-2024:13386-1
siemens-csafSSA-806742
msrcCVE-2022-41861
suse-csafSUSE-SU-2023:0135-1
suse-csafSUSE-SU-2023:0124-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://freeradius.org/security/PatchVendor Advisory
https://github.com/FreeRADIUS/freeradius-server/commit/0ec2b39d260ePatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2025/06/msg00030.html
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