CVE Explorer

CVE-2026-33907

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.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:76bc20cf795431b1ee59948334b8b7bfe0c9ee12a03028417587937b97eb67bd

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"core","vendor":"ellanetworks","versions":[{"status":"affected","version":"< 1.7.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:2e43c228e5eed1d7bc29e5fdd01b85e2c5e1c879f18bf61976ff27593d5c868e · sha256:e7063aa9c5521360… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/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:v2:2e43c228e5eed1d7bc29e5fdd01b85e2c5e1c879f18bf61976ff27593d5c868e · sha256:e7063aa9c5521360… · /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:v2:2e43c228e5eed1d7bc29e5fdd01b85e2c5e1c879f18bf61976ff27593d5c868e · sha256:e7063aa9c5521360… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"name":"https://github.com/ellanetworks/core/commit/52962660e3bd3e23c7e96b0da270ac1e0e705273","tags":["x_refsource_MISC"],"url":"https://github.com/ellanetworks/core/commit/52962660e3bd3e23c7e96b0da270ac1e0e705273"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2e43c228e5eed1d7bc29e5fdd01b85e2c5e1c879f18bf61976ff27593d5c868e · sha256:e7063aa9c5521360… · /containers/cna/references/1

{"name":"https://github.com/ellanetworks/core/releases/tag/v1.7.0","tags":["x_refsource_MISC"],"url":"https://github.com/ellanetworks/core/releases/tag/v1.7.0"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2e43c228e5eed1d7bc29e5fdd01b85e2c5e1c879f18bf61976ff27593d5c868e · sha256:e7063aa9c5521360… · /containers/cna/references/2

{"name":"https://github.com/ellanetworks/core/security/advisories/GHSA-55q8-2gwx-29pc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/ellanetworks/core/security/advisories/GHSA-55q8-2gwx-29pc"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2e43c228e5eed1d7bc29e5fdd01b85e2c5e1c879f18bf61976ff27593d5c868e · sha256:e7063aa9c5521360… · /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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