CVE-2021-34585 — CODESYS V2 web server: crafted requests could trigger a pointer dereference with an invalid address (DoS)

CVE-2021-34585

CODESYS V2 web server: crafted requests could trigger a pointer dereference with an invalid address (DoS) PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
CODESYS / CODESYS V2	affected all web servers before V1.1.9.22

CWE

CWE-252

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

ADP enrichment

CVE

No English description supplied.

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download=
https://www.tenable.com/security/research/tra-2021-47