CVE-2023-1797Public exploitNetwork attack vector

Authenticated arbitrary file upload via sysCheckFile.php

Published Apr 2, 2023 · Updated Aug 2, 2024

Unrestricted file upload in OTCMS 6.0.1 allows remote authenticated users to place arbitrary files through sysCheckFile.php. The mudi=sql request path accepts uploaded content without restricting dangerous file types, although the responsible function is undisclosed. Low-privileged access is required, and the published record establishes file upload but not execution or a storage path.

CVSS severity6.3
Medium
EPSS probability0.87%
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 OTCMS 6.0.1 allows remote authenticated users to place arbitrary files through sysCheckFile.php. The mudi=sql request path accepts uploaded content without restricting dangerous file types, although the responsible function is undisclosed. Low-privileged access is required, and the published record establishes file upload but not execution or a storage path.

The record

CVE
CVE-2023-1797
Published
Apr 2, 2023
Updated
Aug 2, 2024
Vendor
广西南宁领众网络科技有限公司
Product
网钛CMS (OTCMS)
Classifications
CWE-434, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 2, 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=6.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

广西南宁领众网络科技有限公司 · 网钛CMS (OTCMS)version=6.0.1

Published CVSS scores

6.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.5VulDBAV:N/AC:L/Au:S/C:P/I:P/A:P
6.3VulDBCVSS:3.0/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
T1190Exploit Public-Facing Application

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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