CVE-2021-44108
A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote...
A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.
- Record
CVE-2021-44108- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.
- Record
CVE-2021-44108- Updated
- 2026-11-02
EUVDEUVD-2021-30966 No score
A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.
- Record
EUVD-2021-30966- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w96w-f34f-w457
A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote...
A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.
- Record
GHSA-w96w-f34f-w457- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.
- Record
CVE-2021-44108- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-44108 is a high vulnerability (CVSS 7.5) in Open5gs, published April 5, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.49%, the 74th percentile. No source names a fixed version.