High severity · published Mar 22, 2021
CVE-2021-22309
There is insecure algorithm vulnerability in Huawei products
7.5
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UF
Usg9500 Firmware · Huawei
v500r001c30spc200; v500r001c60spc500; v500r005c00spc200 · source: NVD
UF
Usg9520 Firmware · Huawei
v500r005c00 · source: NVD
UF
Usg9560 Firmware · Huawei
v500r005c00 · source: NVD
UF
Usg9580 Firmware · Huawei
v500r005c00 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22309
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22309
Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210202-01-fw-en
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