VULNERABILITY INTELLIGENCE
CVE-2021-22309
CVSS score7.5 HIGH
EPSS probability0.79%
CISA KEVNot currently listed
Published2021-03-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Description
There is insecure algorithm vulnerability in Huawei products. A module uses less random input in a secure mechanism. Attackers can exploit this vulnerability by brute forcing to obtain sensitive message. This can lead to information leak. Affected product versions include:USG9500 versions V500R001C30SPC200, V500R001C60SPC500,V500R005C00SPC200;USG9520 versions V500R005C00;USG9560 versions V500R005C00;USG9580 versions V500R005C00.
Weakness classification
- nvd@nist.gov: CWE-330
Primary references
- psirt@huawei.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory