{"id":"CVE-2019-5274","aliases":["EUVD-2019-14879","GHSA-7f82-9q7c-v7p8"],"status":"published","title":"USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a...","description":"USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in an infinite loop, an attacker may exploit the vulnerability via a malicious certificate to perform a denial of service attack on the affected products.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00477,"percentile":0.41452,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-835"],"published":"2019-12-26T18:42:01Z","modified":"2026-06-17T02:37:25Z","products":[{"vendor":"huawei","product":"usg9500"},{"vendor":"huawei","product":"usg9500_firmware"}],"references":[{"url":"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-en","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-5274"},{"url":"https://github.com/advisories/GHSA-7f82-9q7c-v7p8"}],"sources":{"cve":[{"id":"CVE-2019-5274","description":"USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in an infinite loop, an attacker may exploit the vulnerability via a malicious certificate to perform a denial of service attack on the affected products.","status":"published","published":"2019-12-26T18:42:01Z","modified":"2024-08-04T19:47:57.02Z","updated_at":"2026-11-02T14:20:18.746972Z"}],"euvd":[{"id":"EUVD-2019-14879","description":"USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in an infinite loop, an attacker may exploit the vulnerability via a malicious certificate to perform a denial of service attack on the affected products.","status":"published","published":"2019-12-26T18:42:01Z","modified":"2024-08-04T19:47:57Z","updated_at":"2026-11-03T03:06:52.999682Z"}],"ghsa":[{"id":"GHSA-7f82-9q7c-v7p8","title":"USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a...","description":"USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in an infinite loop, an attacker may exploit the vulnerability via a malicious certificate to perform a denial of service attack on the affected products.","status":"published","published":"2022-05-24T17:05:06Z","modified":"2023-01-29T05:00:55Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:44:41.662162Z"}],"nvd":[{"id":"CVE-2019-5274","description":"USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in an infinite loop, an attacker may exploit the vulnerability via a malicious certificate to perform a denial of service attack on the affected products.","status":"published","published":"2019-12-26T19:15:11.047Z","modified":"2026-06-17T02:37:25.177Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:05:41.313583Z"}]}}