CVE-2021-37127

7.2 HIGH 0.7% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited over the network with an admin-level account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.7% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2021-10-27 01:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 04:00 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.7% in the next 30 days (EPSS).
Severity: 7.2 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2021-10-27 01:15 UTC
Last modified: 2026-06-17 04:00 UTC
Exploit probability: 0.7% · EPSS, next 30 days
Weakness: CWE-347
Record status: Modified

Affected

Huawei Imanager Neteco 6000 Firmware v600r010c00cp2001
Huawei Imanager Neteco 6000 Firmware v600r010c00cp2002
Huawei Imanager Neteco 6000 Firmware v600r010c00spc100
Huawei Imanager Neteco 6000 Firmware v600r010c00spc110
Huawei Imanager Neteco 6000 Firmware v600r010c00spc120
Huawei Imanager Neteco 6000 Firmware v600r010c00spc200
Huawei Imanager Neteco 6000 Firmware v600r010c00spc210
Huawei Imanager Neteco 6000 Firmware v600r010c00spc300

Attack profile CVSS 3.1 · 7.2

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2021-37127.md and follow it. Check whether this project is affected by CVE-2021-37127. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record