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CVE-2021-34599

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CVE-2021-34599

Published: Dec 1, 2021

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.1

7.4

HIGH

Description

Affected versions of CODESYS Git in Versions prior to V1.1.0.0 lack certificate validation in HTTPS handshakes. CODESYS Git does not implement certificate validation by default, so it does not verify that the server provides a valid and trusted HTTPS certificate. Since the certificate of the server to which the connection is made is not properly verified, the server connection is vulnerable to a man-in-the-middle attack.

VendorProductVersions

CODESYS

CODESYS Git

affected
CODESYS Git - < V1.1.0.0

Weaknesses (CWE)

CWE-295

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

References

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