VulnerabilityAnalyzed
CVE-2023-37022
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.
HIGH 7.5EPSS 0.78%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.78%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.78% probability · 54th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- open5gs/open5gs
- Source
- cve@mitre.org
References
- https://cellularsecurity.org/ransackedExploit, Technical Description, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.