CVE-2023-37005
Last modified
CVE-2023-37005 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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 an `Initial Context Setup Failure` message missing a required `MME_UE_S1AP_ID` field to repeatedly crash the MME, resulting in denial of service.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
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 an `Initial Context Setup Failure` message missing a required `MME_UE_S1AP_ID` field to repeatedly crash the MME, resulting in denial of service.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Open5gs | Open5gs | <= 2.6.4 |
References
- https://cellularsecurity.org/ransackedExploit, Technical Description, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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