#VU71497 Path traversal in XINJE XD/E Series PLC Program Tool - CVE-2021-34605

Vulnerability identifier: #VU71497

Vulnerability risk: Medium

CVSSv4.0: 5.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-34605

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
XINJE XD/E Series PLC Program Tool
Hardware solutions / Firmware

Vendor: XINJE

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote user can trick a victim to open a specially crafted file and execute arbitrary code on the target system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

XINJE XD/E Series PLC Program Tool: 3.5.1

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External links
https://claroty.com/2022/05/11/blog-research-from-project-file-to-code-execution-exploiting-vulnerabilities-in-xinje-plc-program-tool/
https://www.cisa.gov/uscert/ics/advisories/icsa-23-024-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.