01 Record
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
UnratedPUBLISHEDCNA: huawei
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.79% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 56.2% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-03-22 17:42Z5 YR AGO
- Last updated
- 2024-08-03 18:37Z2 YR AGO
- Reserved
- 2021-01-05
- Assigning CNA
- huawei
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-330Use of Insufficiently Random ValuesClass
- Data version
- 5.1
- Document digest
- 8c32b298942d2c03796dd77a055beb8c686be161b168a0ca7508c8d8702e602f
05 Affected products
VendorProductVersionsPlatforms
n/aUSG9500,USG9520,USG9560,USG9580V500R001C30SPC200,V500R001C60SPC500,V500R005C00SPC200, V500R005C00—