How severe is CVE-2021-34606?

CVE-2021-34606 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-34606 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34606?

CVE-2021-34606 affects Xinje Xd/e Series Plc Program Tool. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34606?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-34606 published?

CVE-2021-34606 was published on 2022-05-11 and last updated on 2026-06-17.

CVE-2021-34606

CVE-2021-34606 is a high-severity vulnerability in Xinje Xd/e Series Plc Program Tool with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 6.9
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Xinje Xd/e Series Plc Program Tool
Published: 2022-05-11
Last modified: 2026-06-17

Description

A vulnerability exists in XINJE XD/E Series PLC Program Tool in versions up to v3.5.1 that can allow an authenticated, local attacker to load a malicious DLL. Local access is required to successfully exploit this vulnerability. This means the potential attacker must have access to the system and sufficient file-write privileges. If exploited, the attacker could place a malicious DLL file on the system, that when running XINJE XD/E Series PLC Program Tool will allow the attacker to execute arbitrary code with the privileges of another user's account.

Frequently asked questions

What is CVE-2021-34606?: A vulnerability exists in XINJE XD/E Series PLC Program Tool in versions up to v3.5.1 that can allow an authenticated, local attacker to load a malicious DLL. Local access is required to successfully exploit this vulnerability. This means the potential attacker must have access to the system and sufficient file-write privileges. If exploited, the attacker could place a malicious DLL file on the system, that when running XINJE XD/E Series PLC Program Tool will allow the attacker to execute arbitrary code with the privileges of another user's account.
How severe is CVE-2021-34606?: CVE-2021-34606 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-34606 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34606?: CVE-2021-34606 affects Xinje Xd/e Series Plc Program Tool. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34606?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-34606 published?: CVE-2021-34606 was published on 2022-05-11 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:xinje:xd\/e_series_plc_program_tool:*:*:*:*:*:*:*:*

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