How severe is CVE-2022-1965?

CVE-2022-1965 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2022-1965 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1965?

CVE-2022-1965 primarily affects Codesys Plcwinnt. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-1965?

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-2022-1965 published?

CVE-2022-1965 was published on 2022-06-24 and last updated on 2026-06-17.

CVE-2022-1965

CVE-2022-1965 is a high-severity vulnerability in Codesys Plcwinnt with a CVSS 3.x base score of 8.1. 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-755.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.5
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-755
Affected product: Codesys Plcwinnt
Published: 2022-06-24
Last modified: 2026-06-17

Description

Multiple products of CODESYS implement a improper error handling. A low privilege remote attacker may craft a request, which is not properly processed by the error handling. In consequence, the file referenced by the request could be deleted. User interaction is not required.

Frequently asked questions

What is CVE-2022-1965?: Multiple products of CODESYS implement a improper error handling. A low privilege remote attacker may craft a request, which is not properly processed by the error handling. In consequence, the file referenced by the request could be deleted. User interaction is not required.
How severe is CVE-2022-1965?: CVE-2022-1965 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2022-1965 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-1965?: CVE-2022-1965 primarily affects Codesys Plcwinnt. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-1965?: 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-2022-1965 published?: CVE-2022-1965 was published on 2022-06-24 and last updated on 2026-06-17.

References

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17139&token=ec67d15a433b61c77154166c20c78036540cacb0&download=

Affected products (2)

cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:x86:*

More vulnerabilities in Codesys Plcwinnt

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