What is CVE-2021-22309?

CVE-2021-22309 is a high-severity vulnerability in Huawei Usg9500, classified under Use of Insufficiently Random Values. CVSS score: 7.5/10. Published 2021-03-22.

How severe is CVE-2021-22309?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Huawei Usg9500

CVE-2021-22309

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…

EPSS: 0.008 (51.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Huawei Usg9500
Huawei Usg9500_firmware — versions v500r001c30spc200, v500r001c60spc500, v500r005c00spc200
Huawei Usg9520
Huawei Usg9520_firmware — versions v500r005c00
Huawei Usg9560
Huawei Usg9560_firmware — versions v500r005c00
Huawei Usg9580
Huawei Usg9580_firmware — versions v500r005c00
N/a Usg9500,usg9520,usg9560,usg9580 — versions V500R001C30SPC200,V500R001C60SPC500,V500R005C00SPC200, V500R005C00

Weakness classification (CWE)

CWE-330 — Use of Insufficiently Random Values

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22309?: CVE-2021-22309 is a high-severity vulnerability in Huawei Usg9500, classified under Use of Insufficiently Random Values. CVSS score: 7.5/10. Published 2021-03-22.
How severe is CVE-2021-22309?: High severity. CVSS v3 base score is 7.5 out of 10.