CVE-2020-9206

Key-file disclosure via improper resource management

Published Mar 22, 2021 · Updated Aug 4, 2024

Improper resource management in Huawei eUDC660 V100R005C00 allows local users with high privileges to obtain a key file and decrypt data. Huawei has not disclosed the affected component or the incorrect resource-management operation that exposes the key file. Exploitation requires access to the device network, high privileges, and specific operations; the disclosed result includes key-file disclosure, decrypted data, and unspecified integrity and availability effects.

CVSS severity6.7
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Improper resource management in Huawei eUDC660 V100R005C00 allows local users with high privileges to obtain a key file and decrypt data. Huawei has not disclosed the affected component or the incorrect resource-management operation that exposes the key file. Exploitation requires access to the device network, high privileges, and specific operations; the disclosed result includes key-file disclosure, decrypted data, and unspecified integrity and availability effects.

The record

CVE
CVE-2020-9206
Published
Mar 22, 2021
Updated
Aug 4, 2024
Vendor
Huawei Technologies Co., Ltd.
Product
eUDC660
Classifications
T1552.004
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Mar 22, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=V100R005C00

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Huawei Technologies Co., Ltd. · eUDC660version=V100R005C00

Published CVSS scores

4.6NIST NVDAV:L/AC:L/Au:N/C:P/I:P/A:P
6.7NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1552.004Private Keys

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo