CVE-2020-27274 Information

Description

Some parsing functions in the affected product do not check the return value of malloc and the thread handling the message is forced to close which may lead to a denial-of-service condition on the OPC UA Tunneller (versions prior to 6.3.0.8233).

CVSS Vector

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

Reference

https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5