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Vulnerability CVE-2021-37127
Published: 2021-10-27
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 V600R010C00CP2001,V600R010C00CP2002,V600R010C00SPC100,V600R010C00SPC110,V600R010C00SPC120,V600R010C00SPC200,V600R010C00SPC210,V600R010C00SPC300;iManager NetEco 6000 V600R009C00SPC100,V600R009C00SPC110,V600R009C00SPC120,V600R009C00SPC190,V600R009C00SPC200,V600R009C00SPC201,V600R009C00SPC202,V600R009C00SPC210. |
Type:
CWE-347 (Improper Verification of Cryptographic Signature)
CVSS2 => (AV:N/AC:L/Au:S/C:C/I:C/A:C)
CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
9/10 |
10/10 |
8/10 |
Exploit range |
Attack complexity |
Authentication |
Remote |
Low |
Single time |
Confidentiality impact |
Integrity impact |
Availability impact |
Complete |
Complete |
Complete |
References: |
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211020-01-signature-en
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