How severe is CVE-2022-31805?

CVE-2022-31805 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-31805 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31805?

CVE-2022-31805 primarily affects Codesys Development System. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-31805?

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-2022-31805 published?

CVE-2022-31805 was published on 2022-06-24 and last updated on 2026-06-17.

CVE-2022-31805

CVE-2022-31805 is a high-severity vulnerability in Codesys Development System with a CVSS 3.x base score of 7.5. 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-523.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-523
Affected product: Codesys Development System
Published: 2022-06-24
Last modified: 2026-06-17

Description

In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication between clients and servers unprotected.

Frequently asked questions

What is CVE-2022-31805?: In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication between clients and servers unprotected.
How severe is CVE-2022-31805?: CVE-2022-31805 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-31805 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31805?: CVE-2022-31805 primarily affects Codesys Development System. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-31805?: 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-2022-31805 published?: CVE-2022-31805 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=17140&token=6aa2c5c4a8b83b8b09936fefed5b0b11f9d2cc6c&download=

Affected products (10)

cpe:2.3:a:codesys:development_system:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:edge_gateway:*:*:*:*:*:windows:*:*
cpe:2.3:a:codesys:gateway:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:hmi_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:opc_server:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:plchandler:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:x86:*
cpe:2.3:a:codesys:sp_realtime_nt:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:web_server:*:*:*:*:*:*:*:*

More vulnerabilities in Codesys Development System

CVE-2019-9010 — Critical (CVSS 9.8): An issue was discovered in 3S-Smart CODESYS V3 products. The CODESYS Gateway does not correctly verify the ownership of…
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CVE-2022-4224 — High (CVSS 8.8): In multiple products of CODESYS v3 in multiple versions a remote low privileged user could utilize this vulnerability…
CVE-2019-9013 — High (CVSS 8.8): An issue was discovered in 3S-Smart CODESYS V3 products. The application may utilize non-TLS based encryption, which…
CVE-2022-22515 — High (CVSS 8.1): A remote, authenticated attacker could utilize the control program of the CODESYS Control runtime system to use the…
CVE-2026-44469 — High (CVSS 7.8): The affected product extracts installation files to a temporary directory with incorrect default permissions during…

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