How severe is CVE-2022-32142?

CVE-2022-32142 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-2022-32142 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-2022-32142?

CVE-2022-32142 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-2022-32142?

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-2022-32142 published?

CVE-2022-32142 was published on 2022-06-24 and last updated on 2026-06-17.

CVE-2022-32142

CVE-2022-32142 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-823.

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-823
Affected product: Codesys Plcwinnt
Published: 2022-06-24
Last modified: 2026-06-17

Description

Multiple CODESYS Products are prone to a out-of bounds read or write access. A low privileged remote attacker may craft a request with invalid offset, which can cause an out-of-bounds read or write access, resulting in denial-of-service condition or local memory overwrite, which can lead to a change of local files. User interaction is not required.

Frequently asked questions

What is CVE-2022-32142?: Multiple CODESYS Products are prone to a out-of bounds read or write access. A low privileged remote attacker may craft a request with invalid offset, which can cause an out-of-bounds read or write access, resulting in denial-of-service condition or local memory overwrite, which can lead to a change of local files. User interaction is not required.
How severe is CVE-2022-32142?: CVE-2022-32142 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-2022-32142 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-2022-32142?: CVE-2022-32142 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-2022-32142?: 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-2022-32142 published?: CVE-2022-32142 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

CVE-2022-31806 — Critical (CVSS 9.8): In CODESYS V2 PLCWinNT and Runtime Toolkit 32 in versions prior to V2.4.7.57 password protection is not enabled by…
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CVE-2022-1965 — High (CVSS 8.1): Multiple products of CODESYS implement a improper error handling. A low privilege remote attacker may craft a request,…
CVE-2021-34595 — High (CVSS 8.1): A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32…

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