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Vulnerability record · CVE-2023-42129 · published 3 May 2024

CVE-2023-42129: A10networks advanced core operating system path traversal vulnerability

A10networks · Advanced Core Operating System

A10 Thunder ADC ShowTechDownloadView Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of A10 Thunder ADC. Authentication is required to exploit this vulnerability. The specific flaw exists within the ShowTechDownloadView class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of the service account. . Was ZDI-CAN-17899.

6.5 CVSS 3.0 Medium EPSS 2.4% · top 16.7% CWE-22 · Path traversal
6.5CVSS 3.0 base score
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A10 Thunder ADC ShowTechDownloadView Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of A10 Thunder ADC. Authentication is required to exploit this vulnerability. The specific flaw exists within the ShowTechDownloadView class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of the service account. . Was ZDI-CAN-17899.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.a10networks.com/support/security_advisory/a10-acos-file-access-vulnerability/ ExploitVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1495/ Third Party Advisory
https://support.a10networks.com/support/security_advisory/a10-acos-file-access-vulnerability/ ExploitVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1495/ Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-42129), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.