HOMEVULNERABILITIESCVE-2026-33283
HIGH

CVE-2026-33283

CWE-476Published: March 24, 2026· Updated: Mar 24, 2026

7.5
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:4.9th

Official Description

Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing malformed UL NAS Transport NAS messages without a Request Type. 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 1.6.0 adds a guard when receiving an UL NAS Message without a Request Type given no SM Context.

NVD Source

Technical Analysis

CVE-2026-33283 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

ellanetworks1 product
ella core
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://github.com/ellanetworks/core/security/advisories/GHSA-3366-gw57-fcm5

All References (1)

→
https://github.com/ellanetworks/core/security/advisories/GHSA-3366-gw57-fcm5Vendor Advisory

Quick Facts

CVE IDCVE-2026-33283
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-476
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedMar 24, 2026

Related CVEs (CWE-476)

CVE-2026-33063
8.7
CVE-2026-13084
8.7
CVE-2026-28224
8.2
CVE-2025-59604
7.8
CVE-2025-59606
7.8
CVE-2026-31792
7.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-33283 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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