CVE-2020-9501

Client impersonation via local Cloud Key disclosure

Published May 13, 2020 · Updated Aug 4, 2024

Information disclosure in Dahua Web P2P Control builds before April 2020 allows local users to obtain the Cloud Key. Dahua has not disclosed the code locus or operation that exposes the key through the web control. Local access and high attack complexity are required; the key authenticates client-to-platform connections and enables impersonation that consumes platform server resources.

CVSS severity5.1
Medium
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Dahua Web P2P Control builds before April 2020 allows local users to obtain the Cloud Key. Dahua has not disclosed the code locus or operation that exposes the key through the web control. Local access and high attack complexity are required; the key authenticates client-to-platform connections and enables impersonation that consumes platform server resources.

The record

CVE
CVE-2020-9501
Published
May 13, 2020
Updated
Aug 4, 2024
Vendor
Zhejiang Dahua Technology Co., Ltd.
Product
Web P2P Control
Classifications
CWE-200, T1550.001
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 13, 2020CVE 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=Versions which Build time before April,2020

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Zhejiang Dahua Technology Co., Ltd. · Web P2P Controlversion=Versions which Build time before April,2020

Published CVSS scores

4.6Zhejiang Dahua Technology Co., Ltd.CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
5.1Zhejiang Dahua Technology Co., Ltd.CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1550.001Use Alternate Authentication Material: Application Access Token

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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