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CVE-2021-34585 In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser error
Description
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.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| CODESYS V2 1.1 | premières → < 1.1.9.22 | 1.1.9.22 |
Autres CVE de CODESYS V2
Les 7 CVE de CODESYS V2 →
CVE-2021-34596
A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and…
6.5
Moyenne
CVE-2021-34595
A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit…
8.1
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CVE-2021-34593
In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid…
7.5
Élevée
CVE-2021-34586
In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in…
7.5
Élevée