IM
IronMonkey Threat Research

CVE-2021-27432 HIGH

Published: 2021-05-20 | Last Modified: 2024-11-21 | Status: Modified

Description

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.

Additional Descriptions (1)

OPC Foundation UA ??.NET Standard versiones anteriores a 1.4.365.48 y OPC UA .NET Legacy, son vulnerables a una recursividad no controlada, que puede permitir a un atacante desencadenar un desbordamiento de pila

CVSS Metrics

Base Score: 7.5 (HIGH)

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

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 3.6

Base Score: 5.0 (MEDIUM)

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

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-674

Affected Products

Vendor Product Version Update Type
opcfoundation ua-.net-legacy - <built-in method update of dict object at 0x72a9b0c9b900> Application
opcfoundation ua_.net_standard_stack * <built-in method update of dict object at 0x72a9b0734d00> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:opcfoundation:ua-.net-legacy:-:*:*:*:*:*:*:*
Yes cpe:2.3:a:opcfoundation:ua_.net_standard_stack:*:*:*:*:*:*:*:*

References

Notification
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