Vulnerability · Published Jun 24, 2022 · Assigned by CERTVDE
CVE-2022-32140CODESYS runtime system prone to denial of service due to buffer copy
Medium 6.5
In plain English
A medium-severity buffer overflow in PLCWinNT from CODESYS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.1%top 35.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CODESYS | Runtime Toolkit | V2 – before V2.4.7.57 |
| CODESYS | PLCWinNT | V2 – before V2.4.7.57 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H