CVE Vulnerability

CVE-2020-27274

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).

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : 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

References
Link Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03 Third Party Advisory US Government Resource
Configurations

Configuration 1

cpe:2.3:a:honeywell:opc_ua_tunneller:*:*:*:*:*:*:*:*
Information

Published : 2021-01-26 07:15

Updated : 2021-02-03 03:33

NVD link : CVE-2020-27274

Mitre link : CVE-2020-27274

Products Affected
No products.
CWE
CWE-754