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High 8.1
CODESYS V2 runtime: out-of-bounds read or write access may result in denial-of-service
A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition or local memory overwrite.
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High 7.5
CODESYS V2 runtime: unauthenticated invalid requests may result in denial-of-service
In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication…
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High 7.5CVE-2021-34586 EPSS 14%
CODESYS V2 web server: crafted requests could trigger a null pointer dereference (DoS)
In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service condition.
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High 7.5
CODESYS V2 web server: crafted requests could trigger a pointer dereference with an invalid address (DoS)
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 sit…
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High 7.5
CODESYS V2 web server: crafted requests could trigger a heap-based buffer overflow (DoS)
Crafted web server requests may cause a heap-based buffer overflow and could therefore trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.