CVE-2023-37020: High severity open5gs vulnerability
Published Jan 22, 2025
·Updated
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 UE Context Release Complete message missing a required MMEUES1APID field to repeatedly crash the MME, resulting in denial of service.
Affected Software
2 affected components
open5gs MME<=2.6.4
open5gs open5gs<=2.6.4
Event History
Jan 22, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2023-37020?
CVE-2023-37020 is classified as a denial of service vulnerability.
2
How do I fix CVE-2023-37020?
To mitigate CVE-2023-37020, upgrade Open5GS MME to version 2.6.5 or later.
3
What versions are affected by CVE-2023-37020?
CVE-2023-37020 affects Open5GS MME versions up to and including 2.6.4.
4
What type of attacks are possible with CVE-2023-37020?
An attacker can exploit CVE-2023-37020 to send malformed packets, causing repeated crashes of the MME.
5
Is there a known exploit for CVE-2023-37020?
There are indications that CVE-2023-37020 can be remotely exploited, leading to denial of service.