Vulnerability Details : CVE-2022-32138
In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, resulting in a denial-of-service condition or memory overwrite.
Vulnerability category: Denial of service
Products affected by CVE-2022-32138
- cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:x86:*
Exploit prediction scoring system (EPSS) score for CVE-2022-32138
0.47%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-32138
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
CERT VDE |
CWE ids for CVE-2022-32138
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The product performs an operation on a number that causes it to be sign extended when it is transformed into a larger data type. When the original number is negative, this can produce unexpected values that lead to resultant weaknesses.Assigned by: info@cert.vde.com (Primary)
References for CVE-2022-32138
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