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CVE-2026-33283

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b9b635323ba641b48a93cdb159d4b9975f74ffa6d2bfa6670383b2a989f79625
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"core","vendor":"ellanetworks","versions":[{"status":"affected","version":"< 1.6.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:988c8a5e564d284d7da08f0197308114e05c57a51b59495884a6c0b7314d3549 · sha256:c76017517b9ec56a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:988c8a5e564d284d7da08f0197308114e05c57a51b59495884a6c0b7314d3549 · sha256:c76017517b9ec56a… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-476","description":"CWE-476: NULL Pointer Dereference","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:988c8a5e564d284d7da08f0197308114e05c57a51b59495884a6c0b7314d3549 · sha256:c76017517b9ec56a… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/ellanetworks/core/security/advisories/GHSA-3366-gw57-fcm5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/ellanetworks/core/security/advisories/GHSA-3366-gw57-fcm5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:988c8a5e564d284d7da08f0197308114e05c57a51b59495884a6c0b7314d3549 · sha256:c76017517b9ec56a… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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