CVE-2021-34605

Name: CVE-2021-34605
Creator: NVD / NIST
Published: 2022-05-11T15:15:08.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 2.33%

Last modified Jun 17, 2026

CVE-2021-34605 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. A zip slip vulnerability in XINJE XD/E Series PLC Program Tool up to version v3.5.1 can provide an attacker with arbitrary file write privilege when opening a specially-crafted project file. This vulnerability can be triggered by manually opening an infected project file, or by initiating an upload program request from an infected Xinje PLC. EPSS estimates a 2.33% chance of exploitation in the next 30 days.

Description

A zip slip vulnerability in XINJE XD/E Series PLC Program Tool up to version v3.5.1 can provide an attacker with arbitrary file write privilege when opening a specially-crafted project file. This vulnerability can be triggered by manually opening an infected project file, or by initiating an upload program request from an infected Xinje PLC. This can result in remote code execution, information disclosure and denial of service of the system running the XINJE XD/E Series PLC Program Tool.

Metrics

CVSS 3.1

7.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

2.33%

81.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-23

Affected Software

Vendor	Product	Versions
Xinje	Xd\/E Series Plc Program Tool	<= 3.5.1

References

https://claroty.com/2022/05/11/blog-research-from-project-file-to-code-execution-exploiting-vulnerabilities-in-xinje-plc-program-tool/Exploit, Third Party Advisory
https://claroty.com/2022/05/11/blog-research-from-project-file-to-code-execution-exploiting-vulnerabilities-in-xinje-plc-program-tool/Exploit, Third Party Advisory

Timeline

Published: May 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-34605?

How severe is CVE-2021-34605?

CVE-2021-34605 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 2.33% probability of exploitation in the next 30 days.

How do I fix CVE-2021-34605?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-34605?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST