CVE-2023-4748Public exploitNetwork attack vector

Arbitrary file read via unsanitized filePath traversal

Published Sep 5, 2023 · Updated Aug 2, 2024

Path traversal in PrintTemplateFileServlet in Yonyou UFIDA NC 20230807 allows remote attackers to read arbitrary server files. The servlet uses the attacker-controlled filePath parameter to select a file without adequately restricting traversal outside the intended directory. A crafted network request reaches the servlet; published assessments conflict on whether authentication is required, while the documented impact is file disclosure.

CVSS severity7.5
High
EPSS probability0.86%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in PrintTemplateFileServlet in Yonyou UFIDA NC 20230807 allows remote attackers to read arbitrary server files. The servlet uses the attacker-controlled filePath parameter to select a file without adequately restricting traversal outside the intended directory. A crafted network request reaches the servlet; published assessments conflict on whether authentication is required, while the documented impact is file disclosure.

The record

CVE
CVE-2023-4748
Published
Sep 5, 2023
Updated
Aug 2, 2024
Vendor
Yonyou Network Technology Co., Ltd.
Product
UFIDA NC
Classifications
CWE-22, T1190
Attack vector
network
Privileges
Unavailable

Timeline

How it unfolded

  1. Sep 5, 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?

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  1. Affected versionversion=20230807

What conditions does exploitation require?

Attack vectornetwork
Required privilegesUnavailable in this record.

What is affected?

Yonyou Network Technology Co., Ltd. · UFIDA NCversion=20230807

Published CVSS scores

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

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
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
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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