CVE-2023-37009
Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed...
Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a Handover Notification message missing a required MME_UE_S1AP_ID field to repeatedly crash the MME, resulting in denial of service.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a Handover Notification message missing a required MME_UE_S1AP_ID field to repeatedly crash the MME, resulting in denial of service.
- Record
CVE-2023-37009- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-617
- Updated
- 2026-11-02
EUVDEUVD-2023-40929
Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a Handover Notification message missing a required MME_UE_S1AP_ID field to repeatedly crash the MME, resulting in denial of service.
- Record
EUVD-2023-40929- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r492-f75w-fpq9
Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed...
Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a Handover Notification message missing a required MME_UE_S1AP_ID field to repeatedly crash the MME, resulting in denial of service.
- Record
GHSA-r492-f75w-fpq9- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-617
- Updated
- 2026-11-02
NVD
Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a Handover Notification message missing a required MME_UE_S1AP_ID field to repeatedly crash the MME, resulting in denial of service.
- Record
CVE-2023-37009- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-617
- Updated
- 2026-11-02
OSV
Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a Handover Notification message missing a required MME_UE_S1AP_ID field to repeatedly crash the MME, resulting in denial of service.
- Record
CVE-2023-37009- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - 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-2023-37009 is a medium vulnerability (CVSS 6.3) in Open5gs, published January 22, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 44th percentile. No source names a fixed version.