CVE-2021-45462
In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.
In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.
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
CVE List Score used
In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.
- Record
CVE-2021-45462- CVSS 3.1
- 7.5 High
CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N - Updated
- 2026-11-02
EUVDEUVD-2021-32228
In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.
- Record
EUVD-2021-32228- CVSS 3.1
- 7.5 High
CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3c68-7mfh-fv9v
In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.
In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.
- Record
GHSA-3c68-7mfh-fv9v- 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-20, CWE-1284
- Updated
- 2026-11-02
NVD
In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.
- Record
CVE-2021-45462- 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-1284
- Updated
- 2026-11-02
OSV
In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.
- Record
CVE-2021-45462- 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-2021-45462 is a high vulnerability (CVSS 7.5) in Open5gs, published December 23, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.59%, the 91st percentile. No source names a fixed version.