What’s Vulnerable › Vulnerabilities
CVE-2023-37027
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2025-01-21 · updated 2026-06-17
- Weakness: CWE-476
Description
Null pointer dereference vulnerability in the Mobile Management Entity (MME) in Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) allows network-adjacent attackers to crash the MME via an S1AP `E-RAB Modification Indication` packet missing an expected `eNB_UE_S1AP_ID` field.
Affected products
- Linuxfoundation Magma: before 1.9 — fixed in 1.9
How to fix
Upgrade to a fixed version: Linuxfoundation Magma 1.9. Check the vendor advisory for mitigations.
References
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