How severe is CVE-2022-22516?

CVE-2022-22516 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-22516 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22516?

CVE-2022-22516 primarily affects Codesys Control Rte Sl. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-22516?

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-2022-22516 published?

CVE-2022-22516 was published on 2022-04-07 and last updated on 2026-06-17.

CVE-2022-22516

CVE-2022-22516 is a high-severity vulnerability in Codesys Control Rte Sl with a CVSS 3.x base score of 7.8. 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-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Codesys Control Rte Sl
Published: 2022-04-07
Last modified: 2026-06-17

Description

The SysDrv3S driver in the CODESYS Control runtime system on Microsoft Windows allows any system user to read and write within restricted memory space.

Frequently asked questions

What is CVE-2022-22516?: The SysDrv3S driver in the CODESYS Control runtime system on Microsoft Windows allows any system user to read and write within restricted memory space.
How severe is CVE-2022-22516?: CVE-2022-22516 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-22516 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22516?: CVE-2022-22516 primarily affects Codesys Control Rte Sl. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-22516?: 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-2022-22516 published?: CVE-2022-22516 was published on 2022-04-07 and last updated on 2026-06-17.

References

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17090&token=6cd08b169916366df31388d2e7ba58e7bce93508&download=

Affected products (4)

cpe:2.3:a:codesys:control_rte_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_rte_sl_\(for_beckhoff_cx\):*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:control_win_sl:*:*:*:*:*:*:*:*
cpe:2.3:a:codesys:development_system:*:*:*:*:*:*:*:*

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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…
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