CVE-2021-34584

Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.

CVSS v3 9.1 CRITICAL
CVSS v2.0 6.4 MEDIUM

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:P

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:codesys:codesys:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-10-26 10:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-34584

Mitre link : CVE-2021-34584

CVE.ORG link : CVE-2021-34584

JSON object : View

Products Affected

codesys

codesys

CWE

CWE-126

Buffer Over-read

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