PT-2021-21526 · Huawei · Imanager Neteco 6000+2

Published 2021-10-20 · Updated 2021-10-28 · CVE-2021-37127

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions iManager NetEco versions V600R010C00CP2001 through V600R010C00SPC300 iManager NetEco 6000 versions V600R009C00SPC100 through V600R009C00SPC210

Description There is a signature management issue in some Huawei products. An attacker can forge a signature and bypass the signature check. During the firmware update process, successful exploitation of this issue can cause a forged system file to overwrite the correct system file.

Recommendations For iManager NetEco versions V600R010C00CP2001 through V600R010C00SPC300, update to a version that includes a fix for the signature management vulnerability. For iManager NetEco 6000 versions V600R009C00SPC100 through V600R009C00SPC210, update to a version that includes a fix for the signature management vulnerability. As a temporary workaround, consider restricting access to the firmware update process to minimize the risk of exploitation.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2021-37127

Affected Products

Huawei Vrp

Imanager Neteco

Imanager Neteco 6000

References · 4

• https://osv.dev/vulnerability/CVE-2021-37127 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-37127 · Security Note
• https://huawei.com/en/psirt/security-advisories/huawei-sa-20211020-01-signature-en · Vendor Advisory
• https://t.me/cvenotify/22437 · Telegram Post