Buffer overflow in Codesys Plcwinnt

CVE-2022-32137

In multiple CODESYS products, a low privileged remote attacker may craft a request, which may cause a heap-based buffer overflow, resulting in a denial-of-service condition or memory overwrite. User interaction is not required.

Vulnerability class: Buffer Overflow

EPSS: 0.013 (66.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-32137?
CVE-2022-32137 is a high-severity vulnerability in Codesys Plcwinnt, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2022-06-24.
How severe is CVE-2022-32137?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-32137 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.