Strix
26.1K

CVE-2026-33903

MEDIUMCVSS 6.5/10EPSS 0.21%

Last modified

CVE-2026-33903 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing a specially crafted NGAP LocationReport message. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing a specially crafted NGAP LocationReport message. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. Version 1.7.0 adds guards in NGAP Location Report handler.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.21%

10.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
EllanetworksElla Core< 1.7.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-33903?
Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing a specially crafted NGAP LocationReport message. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. Version 1.7.0 adds guards in NGAP Location Report handler.
How severe is CVE-2026-33903?
CVE-2026-33903 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-33903?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-33903?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST