Is CVE-2020-6156 actively exploited?

No active exploitation of CVE-2020-6156 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-6156 be exploited remotely?

No. CVE-2020-6156 requires local access to exploit.

What is the CVSS score of CVE-2020-6156?

CVE-2020-6156 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2020-6156

CWE-122Published: November 13, 2020· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance USDC file format path element token index.

NVD Source

Technical Analysis

CVE-2020-6156 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.