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. Affected product versions include:USG9500 versions V500R001C30SPC200, V500R001C60SPC500,V500R005C00SPC200;USG9520 versions V500R005C00;USG9560 versions V500R005C00;USG9580 versions V500R005C00.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (55.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000
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
- Usg9500,usg9520,usg9560,usg9580 — versions V500R001C30SPC200,V500R001C60SPC500,V500R005C00SPC200, V500R005C00
Weakness classification (CWE)
References
- www.huawei.com/en/psirt/security-advisories/huawei-sa-20210202-01-fw-en (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.