Vulnerability Monitor

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CVE-2021-27434

Products with Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior (.NET 4.5, 4.0, and 3.5 Framework versions only) are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow.

Published

2021-05-20T14:15:07.767

Last Modified

2024-11-21T05:57:58.987

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-200
  • Type: Primary
    CWE-674
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application unified-automation .net_based_opc_ua_client\/server_sdk ≤ 3.0.7 Yes
Application microsoft .net_framework 3.5 No
Application microsoft .net_framework 4.0 No
Application microsoft .net_framework 4.5 No
References