CVE-2021-22309 — HIGH (7.5)

Vulnerability 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 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Huawei	Usg9500 Firmware	v500r001c30spc200
Huawei	Usg9500	-
Huawei	Usg9520 Firmware	v500r005c00
Huawei	Usg9520	-
Huawei	Usg9560 Firmware	v500r005c00
Huawei	Usg9560	-
Huawei	Usg9580 Firmware	v500r005c00
Huawei	Usg9580	-

Related Weaknesses (CWE)

CWE-330

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210202-01-fw-enVendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210202-01-fw-enVendor Advisory

FAQ

What is CVE-2021-22309?

CVE-2021-22309 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 messa...

How severe is CVE-2021-22309?

CVE-2021-22309 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22309?

Check the references section above for vendor advisories and patch information. Affected products include: Huawei Usg9500 Firmware, Huawei Usg9500, Huawei Usg9520 Firmware, Huawei Usg9520, Huawei Usg9560 Firmware.