CVE-2021-27432

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-27432
OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-133-03 Third Party Advisory US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-133-03 Third Party Advisory US Government Resource
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:opcfoundation:ua-.net-legacy:-:*:*:*:*:*:*:*
cpe:2.3:a:opcfoundation:ua_.net_standard_stack:*:*:*:*:*:*:*:*
History

21 Nov 2024, 05:57

Type Values Removed Values Added
References () https://us-cert.cisa.gov/ics/advisories/icsa-21-133-03 - Third Party Advisory, US Government Resource () https://us-cert.cisa.gov/ics/advisories/icsa-21-133-03 - Third Party Advisory, US Government Resource

01 Jun 2021, 16:39

Type Values Removed Values Added
CPE cpe:2.3:a:opcfoundation:ua-.net-legacy:-:*:*:*:*:*:*:*
cpe:2.3:a:opcfoundation:ua_.net_standard_stack:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
References (MISC) https://us-cert.cisa.gov/ics/advisories/icsa-21-133-03 - (MISC) https://us-cert.cisa.gov/ics/advisories/icsa-21-133-03 - Third Party Advisory, US Government Resource

20 May 2021, 17:16

Type Values Removed Values Added
CWE CWE-674

20 May 2021, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-20 16:15

Updated : 2024-11-21 05:57

NVD link : CVE-2021-27432

Mitre link : CVE-2021-27432

CVE.ORG link : CVE-2021-27432

JSON object : View

Products Affected

opcfoundation

  • ua_.net_standard_stack
  • ua-.net-legacy
CWE
CWE-674

Uncontrolled Recursion