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CVE-2026-32320

Ella Core: AMF DoS via malformed PathSwitchRequest with empty NR security capability bitstrings

Published: Mar 12, 2026Updated: Mar 19, 2026 Sources: CVE List NVD GHSACWE-125
6.5MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 91.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Ella Core is a 5G core designed for private networks. Prior to 1.5.1, Ella Core panics when processing a PathSwitchRequest containing UE Security Capabilities with zero-length NR encryption or integrity protection algorithm bitstrings, resulting in a denial of service. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. This vulnerability is fixed in 1.5.1.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-125

Affected Products

ellanetworks
aka ella core
coreOn-prem
Web & CMS Plugins / cms-core
ella coreOn-prem
Web & CMS Plugins / cms-core
Go
package-ecosystem
github.com/ellanetworks/core
OSS Libraries

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://github.com/ellanetworks/core/security/advisories/GHSA-j478-p7vq-3347
github.com
https://nvd.nist.gov/vuln/detail/CVE-2026-32320
nvd.nist.gov
https://github.com/ellanetworks/core
github.com
and 2 more references View all →
News mentions
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