CVE-2023-3836Public exploitNetwork attack vector

Authenticated code execution via unrestricted JSP upload

Published Jul 22, 2023 · Updated Aug 2, 2024

Unrestricted file upload in Dahua Smart Park Management 20230713 allows remote authenticated users to place executable JSP files. The devicePoint_addImgIco endpoint accepts the multipart upload field, renames a supplied JSP under a web-accessible directory, and does not reject the executable type. A low-privileged application account can request the stored JSP and execute code in the web-server context.

CVSS severity6.3
Medium
EPSS probability73.67%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in Dahua Smart Park Management 20230713 allows remote authenticated users to place executable JSP files. The devicePoint_addImgIco endpoint accepts the multipart upload field, renames a supplied JSP under a web-accessible directory, and does not reject the executable type. A low-privileged application account can request the stored JSP and execute code in the web-server context.

The record

CVE
CVE-2023-3836
Published
Jul 22, 2023
Updated
Aug 2, 2024
Vendor
Zhejiang Dahua Technology Co., Ltd.
Product
Smart Park Management
Classifications
CWE-434, CAPEC-1, T1505.003
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 22, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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=20230713

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Zhejiang Dahua Technology Co., Ltd. · Smart Park Managementversion=20230713

Published CVSS scores

6.3VulDB CNACVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/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)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
CAPEC-1Accessing Functionality Not Properly Constrained by ACLs
T1505.003Server Software Component: Web Shell

Public exploit references

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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