CVE-2023-51926Network attack vector

Arbitrary file read via exposed service method

Published Jan 20, 2024 · Updated Jul 9, 2026

Arbitrary file read in Yonyou YonBIP 3_23.05 allows remote attackers to read server files through CommonServletDispatcher. Its doPost method invokes public methods on selected class objects, exposing INCLoginService.getServerFileContent to attacker-supplied paths. Unauthenticated network access is sufficient, and the documented impact is limited to reading files available to the service.

CVSS severity7.5
High
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary file read in Yonyou YonBIP 3_23.05 allows remote attackers to read server files through CommonServletDispatcher. Its doPost method invokes public methods on selected class objects, exposing INCLoginService.getServerFileContent to attacker-supplied paths. Unauthenticated network access is sufficient, and the documented impact is limited to reading files available to the service.

The record

CVE
CVE-2023-51926
Published
Jan 20, 2024
Updated
Jul 9, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1005
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 20, 2024CVE publishedPublication date reported by the CVE source.
  2. Jul 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/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.

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1005Data from Local System

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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