Use After Free in Pixar Openusd

CVE-2020-13531

A use-after-free vulnerability exists in a way Pixar OpenUSD 20.08 processes reference paths textual USD files. A specially crafted file can trigger the reuse of a freed memory which can result in further memory corruption and arbitrary code execution. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.028 (85.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-13531: held from 0.028 to 0.028.

EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000

Affected products

  • Pixar Openusd — versions 20.08
  • Pixar — versions Pixar OpenUSD 20.08, Apple macOS Apple macOS Catalina 10.15.6

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-13531?
CVE-2020-13531 is a high-severity vulnerability in Pixar Openusd, classified under Use After Free. CVSS score: 8.8/10. Published 2020-12-03.
How severe is CVE-2020-13531?
High severity. CVSS v3 base score is 8.8 out of 10.