CVE-2021-34585
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser error. Since the parser result is not checked under all conditions, a pointer dereference with an invalid address can occur. This leads to a denial of service situation.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| CODESYS | CODESYS V2 | all web servers < V1.1.9.22 | affected |
Weaknesses
- CWE-252: CWE-252 Unchecked Return Value
ADP Enrichment
CVE Program Container
Additional References
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download=
- https://www.tenable.com/security/research/tra-2021-47
References
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download=
- https://www.tenable.com/security/research/tra-2021-47
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