CVE-2026-33907— Ella Core Panics during NAS Authentication Response/Failure with missing IEs
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I. Basic Information for CVE-2026-33907
Vulnerability Information
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Vulnerability Title
Ella Core Panics during NAS Authentication Response/Failure with missing IEs
Source: NVD (National Vulnerability Database)
Vulnerability Description
Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing Authentication Response and Authentication Failure NAS message missing IEs. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.7.0 added IE presence verification to NAS message handling.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Ella Core 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ella Core是Ella Networks开源的一个用于私有网络的5G核心网解决方案。 Ella Core 1.7.0之前版本存在代码问题漏洞，该漏洞源于处理缺少IE的认证响应和认证失败NAS消息时发生内核崩溃，可能导致攻击者使进程崩溃，造成所有连接用户的服务中断。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ellanetworks | core | < 1.7.0 | - |
II. Public POCs for CVE-2026-33907
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|---|
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- Release v1.7.0 · ellanetworks/core · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-33907
Same Patch Batch · ellanetworks · 2026-03-27 · 4 CVEs total
| CVE-2026-33906 | 7.2 HIGH | Ella Core has Privilege Escalation via Database Restore by NetworkManager role |
| CVE-2026-33904 | 6.5 MEDIUM | Ella Core has a Denial of Service via SCTP connection cleanup deadlock |
| CVE-2026-33903 | 6.5 MEDIUM | Ella Core panics when processing a crafted NGAP LocationReport message |
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Ella Core Has Audit Log Falsification via Path/Body IMSI Mis - CVE-2026-34761
Ella Core Panics Upon NGAP handover failure
Same vendor: ellanetworks
- CVE-2026-34762
Ella Core Has Audit Log Falsification via Path/Body IMSI Mis - CVE-2026-34761
Ella Core Panics Upon NGAP handover failure - CVE-2026-33906
Ella Core has Privilege Escalation via Database Restore by N - CVE-2026-33904
Ella Core has a Denial of Service via SCTP connection cleanu - CVE-2026-33903
Ella Core panics when processing a crafted NGAP LocationRepo
Same weakness: CWE-476
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