Medium severity · published Jan 17, 2023
CVE-2022-41861
A flaw was found in freeradius
6.5
CVSS
1.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freeradius · Freeradius
through 3.0.25 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-41861
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-41861
Patch
https://freeradius.org/security/
Patch
https://github.com/FreeRADIUS/freeradius-server/commit/0ec2b39d260e
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/06/msg00030.html
More from Freeradius
9.8
CVE-2019-11235
FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve…
9.8
CVE-2019-11234
FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a "Dragonblood" issue, a similar issue to CVE-2019-9497
9.8
CVE-2017-10984
An FR-GV-301 issue in FreeRADIUS 3.x before 3.0.15 allows "Write overflow in data2vp_wimax()" - this allows remote attackers to cause a denial of service (daemon crash) or…
9.8
CVE-2017-10979
An FR-GV-202 issue in FreeRADIUS 2.x before 2.2.10 allows "Write overflow in rad_coalesce()" - this allows remote attackers to cause a denial of service (daemon crash) or possibly…
9.8
CVE-2017-9148
The TLS session cache in FreeRADIUS 2.1.1 through 2.1.7, 3.0.x before 3.0.14, 3.1.x before 2017-02-04, and 4.0.x before 2017-02-04 fails to reliably prevent resumption of an…
