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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2022-41860

CVE-2022-41860

HIGH7.5

In freeradius, when an EAP-SIM supplicant sends an unknown SIM option, the server will try to look that option up in the internal dictionaries

Published Jan 17, 2023

Modified 4 months ago

Details

In freeradius, when an EAP-SIM supplicant sends an unknown SIM option, the server will try to look that option up in the internal dictionaries. This lookup will fail, but the SIM code will not check for that failure. Instead, it will dereference a NULL pointer, and cause the server to crash.

References

https://freeradius.org/security/

https://github.com/FreeRADIUS/freeradius-server/commit/f1cdbb33ec61c4a64a

https://lists.debian.org/debian-lts-announce/2025/06/msg00030.html

https://www.cve.org/CVERecord?id=CVE-2022-41860

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

Memory Safety

NULL Pointer Dereference

Ecosystems

Timeline

PublishedJan 17, 2023

ModifiedNov 3, 2025

CVE-2022-41860 | Mondoo Vulnerability Intelligence