{"schemaVersion":3,"id":"CVE-2026-8480","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A vulnerability was discovered on Stormshield Network Security 4.3.0  to 4.3.41 (included), 4.4.0 to 4.8.15 (included) , 5.0.2 EA to 5.0.5 (included)\n\n\n\nA revoked client certificate can still be used to authenticate to the captive‑admin portal, allowing an attacker who possesses the revoked certificate to gain administrative access.","dates":{"published":"2026-07-01T14:52:12.815Z","modified":"2026-07-01T15:45:32.124Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4.3,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00126,"percentile":0.02065,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00126},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00126,"percentile":0.02065}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00126,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00126,"percentile":0.02065}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-295","name":"Improper Certificate Validation","description":"The product does not validate, or incorrectly validates, a certificate.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/295.html"}],"affected":[{"vendor":"stormshield","product":"stormshield_network_security","name":"stormshield network security","label":"stormshield_network_security","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 4.3.0, ≤ 4.3.41","noFixRecorded":false,"fixedIn":null},{"text":"≥ 4.4.0, ≤ 4.8.15","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.0.2 EA, ≤ 5.0.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 4.3.0, ≤ 4.3.41 | ≥ 4.4.0, ≤ 4.8.15 | ≥ 5.0.2 EA, ≤ 5.0.5","eol":null,"hubHref":"/vendor/stormshield/stormshield_network_security"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.stormshield.eu/2026-002/","label":"advisories.stormshield.eu/2026-002/","hostname":"advisories.stormshield.eu","tags":[]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-07-01T14:52:12.815Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-01T15:45:32.124Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":17,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T20:58:54.890Z","stale":false,"partial":false}}