CVE-2020-6959 Information

Description

The following versions of MAXPRO VMS and NVR MAXPRO VMS:HNMSWVMS prior to Version VMS560 Build 595 T2-Patch HNMSWVMSLT prior to Version VMS560 Build 595 T2-Patch MAXPRO NVR: MAXPRO NVR XE prior to Version NVR 5.6 Build 595 T2-Patch MAXPRO NVR SE prior to Version NVR 5.6 Build 595 T2-Patch MAXPRO NVR PE prior to Version NVR 5.6 Build 595 T2-Patch and MPNVRSWXX prior to Version NVR 5.6 Build 595 T2-Patch are vulnerable to an unsafe deserialization of untrusted data. An attacker may be able to remotely modify deserialized data without authentication using a specially crafted web request resulting in remote code execution.

CVSS Vector

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

Reference

https://www.us-cert.gov/ics/advisories/icsa-20-021-01

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8