CVE-2021-22309

HIGH
7.5
CVSS Score
Published: March 22, 2021 at 05:42 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
8 products affected across 1 vendorUSG9500 FirmwareUSG9520 FirmwareUSG9560 Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%

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.

Affected

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-330

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