CVE-2023-37022
Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `UE Context Release Request`...
Open5GS MME versions <= 2.6.4 contain a reachable assertion in the UE Context Release Request packet handler. A packet containing an invalid MME_UE_S1AP_ID field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.
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
Open5GS MME versions <= 2.6.4 contain a reachable assertion in the UE Context Release Request packet handler. A packet containing an invalid MME_UE_S1AP_ID field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.
- Record
CVE-2023-37022- 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-400
- Updated
- 2026-11-02
EUVDEUVD-2023-40942
Open5GS MME versions <= 2.6.4 contain a reachable assertion in the UE Context Release Request packet handler. A packet containing an invalid MME_UE_S1AP_ID field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.
- Record
EUVD-2023-40942- 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
GitHub AdvisoriesGHSA-mx53-8x3c-jgqv
Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `UE Context Release Request`...
Open5GS MME versions <= 2.6.4 contain a reachable assertion in the UE Context Release Request packet handler. A packet containing an invalid MME_UE_S1AP_ID field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.
- Record
GHSA-mx53-8x3c-jgqv- 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-400, CWE-770
- Updated
- 2026-11-02
NVD
Open5GS MME versions <= 2.6.4 contain a reachable assertion in the UE Context Release Request packet handler. A packet containing an invalid MME_UE_S1AP_ID field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.
- Record
CVE-2023-37022- 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-400
- Updated
- 2026-11-02
OSV
Open5GS MME versions <= 2.6.4 contain a reachable assertion in the UE Context Release Request packet handler. A packet containing an invalid MME_UE_S1AP_ID field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.
- Record
CVE-2023-37022- 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 |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-37022 is a high vulnerability (CVSS 7.5) in Open5gs, published January 22, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.81%, the 57th percentile. No source names a fixed version.