CVE-2020-9209

Privilege escalation via unenforced module directory restriction

Published Jan 13, 2021 · Updated Aug 4, 2024

Privilege escalation in Huawei SMC2.0 allows local users with module access to elevate privileges by supplying a crafted file. An affected module stores files in an improper location and fails to enforce its directory restriction when processing that file. Exploitation requires high-privilege access to the module; successful escalation permits data exposure or alteration and service interruption.

CVSS severity6.4
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege escalation in Huawei SMC2.0 allows local users with module access to elevate privileges by supplying a crafted file. An affected module stores files in an improper location and fails to enforce its directory restriction when processing that file. Exploitation requires high-privilege access to the module; successful escalation permits data exposure or alteration and service interruption.

The record

CVE
CVE-2020-9209
Published
Jan 13, 2021
Updated
Aug 4, 2024
Vendor
Huawei Technologies Co., Ltd.
Product
SMC2.0
Classifications
CWE-862, T1068
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Jan 13, 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

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Is a vulnerable build present?

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

  1. Affected versionversion=V600R006C00SPC700,V600R006C00SPC800,V600R006C10SPC500,V600R006C10SPC600,V600R006C10SPC601,V600R006C10SPC602,V600R006C10SPC700,V600R006C10SPC800,V600R006C10SPCa00,V600R006C10SPCb00,V600R006C10SPCc00,V600R006C10SPCd00,V600R006C10SPCe00,V600R019C00,V600R019C10

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Huawei Technologies Co., Ltd. · SMC2.0version=V600R006C00SPC700,V600R006C00SPC800,V600R006C10SPC500,V600R006C10SPC600,V600R006C10SPC601,V600R006C10SPC602,V600R006C10SPC700,V600R006C10SPC800,V600R006C10SPCa00,V600R006C10SPCb00,V600R006C10SPCc00,V600R006C10SPCd00,V600R006C10SPCe00,V600R019C00,V600R019C10

Published CVSS scores

5.9HuaweiCVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
4.6NIST NVDAV:L/AC:L/Au:N/C:P/I:P/A:P
6.4HuaweiCVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1068Exploitation for Privilege Escalation

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

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Your stack

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