CVE-2022-41861

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.

Published: 2023-01-17 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-41861 is rated Moderate Risk (48.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.10%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-41861

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.35% 1.10% +0.75%
2 2026-02-04 0.34% 0.35% +0.01%
3 2025-11-22 — 0.34% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-41861

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-41861

OS Trackers for CVE-2022-41861

vendor priority summary link
debian not yet assigned CVE-2022-41861 not yet assigned priority: Debian including 1 source packages (freeradius), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2022-41861
redhat medium — https://access.redhat.com/security/cve/CVE-2022-41861
suse high CVE-2022-41861 severity important: SUSE including 137 source package names (freeradius-3.0.20-14.module+el8.8.0+17558+3f8a93b9, freeradius-3.0.21-37.el9, …), 571 product×package rows across 55 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (55 product lines)): Fixed 571. https://www.suse.com/security/cve/CVE-2022-41861/
ubuntu medium CVE-2022-41861 medium priority: Ubuntu including 1 source packages (freeradius), 7 status rows across 7 suites (bionic, focal, jammy, kinetic, trusty, upstream, xenial): released 4, ignored 1, needs-triage 1, not-affected 1. https://ubuntu.com/security/CVE-2022-41861

Affected software / configurations for CVE-2022-41861

Vendor Product Version Raw CPE
freeradius freeradius <= 3.0.25 cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*

References for CVE-2022-41861

cvelogic Threat Intelligence