CVE-2021-37127 Information

Description

There is a signature management vulnerability in some huawei products. An attacker can forge signature and bypass the signature check. During firmware update process successful exploit this vulnerability can cause the forged system file overwrite the correct system file. Affected product versions include:iManager NetEco V600R010C00CP2001V600R010C00CP2002V600R010C00SPC100V600R010C00SPC110V600R010C00SPC120V600R010C00SPC200V600R010C00SPC210V600R010C00SPC300;iManager NetEco 6000 V600R009C00SPC100V600R009C00SPC110V600R009C00SPC120V600R009C00SPC190V600R009C00SPC200V600R009C00SPC201V600R009C00SPC202V600R009C00SPC210.

CVSS Vector

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

Reference

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211020-01-signature-en

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.2