IM
IronMonkey Threat Research

CVE-2020-27297 CRITICAL

Published: 2021-01-26 | Last Modified: 2024-11-21 | Status: Modified

Description

The affected product is vulnerable to a heap-based buffer overflow, which may allow an attacker to manipulate memory with controlled values and remotely execute code on the OPC UA Tunneller (versions prior to 6.3.0.8233).

Additional Descriptions (1)

El producto afectado es vulnerable a un desbordamiento del búfer en la región heap de la memoria, que puede permitir a un atacante manipular la memoria con valores controlados y ejecutar código remotamente en el OPC UA Tunneller (versiones anteriores a 6.3.0.8233)

CVSS Metrics

Base Score: 9.8 (CRITICAL)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 5.9

Base Score: 7.5 (HIGH)

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

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactPARTIAL
Integrity ImpactPARTIAL
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 6.4

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-122
[email protected] Primary
en CWE-787

Affected Products

Vendor Product Version Update Type
honeywell opc_ua_tunneller * <built-in method update of dict object at 0x7c3c2ab0e840> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:honeywell:opc_ua_tunneller:*:*:*:*:*:*:*:*

References

Notification
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