{"id":"CVE-2020-1837","aliases":["EUVD-2020-12663","GHSA-mcq4-g4c6-q4x2"],"status":"published","title":"ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service...","description":"ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00264,"percentile":0.18441,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-07-06T17:27:33Z","modified":"2026-06-17T03:02:29Z","products":[{"vendor":"huawei","product":"changxiang_8_plus_firmware"}],"references":[{"url":"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200624-01-dos-en","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1837"},{"url":"https://github.com/advisories/GHSA-mcq4-g4c6-q4x2"}],"sources":{"cve":[{"id":"CVE-2020-1837","description":"ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.","status":"published","published":"2020-07-06T17:27:33Z","modified":"2024-08-04T06:53:58.557Z","updated_at":"2026-11-02T14:35:56.638833Z"}],"euvd":[{"id":"EUVD-2020-12663","description":"ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.","status":"published","published":"2020-07-06T17:27:33Z","modified":"2024-08-04T06:53:58Z","updated_at":"2026-11-03T03:08:11.523019Z"}],"ghsa":[{"id":"GHSA-mcq4-g4c6-q4x2","title":"ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service...","description":"ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.","status":"published","published":"2022-05-24T17:22:26Z","modified":"2023-01-29T05:03:06Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:45:14.655741Z"}],"nvd":[{"id":"CVE-2020-1837","description":"ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.","status":"published","published":"2020-07-06T18:15:20.403Z","modified":"2026-06-17T03:02:29.173Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.9,"vector":"AV:A/AC:M/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:08.145904Z"}]}}