How severe is CVE-2020-13494?

CVE-2020-13494 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-13494 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13494?

CVE-2020-13494 affects Pixar Openusd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13494?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-13494 published?

CVE-2020-13494 was published on 2020-12-02 and last updated on 2026-06-17.

CVE-2020-13494

CVE-2020-13494 is a medium-severity vulnerability in Pixar Openusd with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Pixar Openusd
Published: 2020-12-02
Last modified: 2026-06-17

Description

A heap overflow vulnerability exists in the Pixar OpenUSD 20.05 parsing of compressed string tokens in binary USD files. A specially crafted malformed file can trigger a heap overflow which can result in out of bounds memory access which could lead to information disclosure. This vulnerability could be used to bypass mitigations and aid further exploitation. To trigger this vulnerability, victim needs to access an attacker-provided malformed file.

Frequently asked questions

What is CVE-2020-13494?: A heap overflow vulnerability exists in the Pixar OpenUSD 20.05 parsing of compressed string tokens in binary USD files. A specially crafted malformed file can trigger a heap overflow which can result in out of bounds memory access which could lead to information disclosure. This vulnerability could be used to bypass mitigations and aid further exploitation. To trigger this vulnerability, victim needs to access an attacker-provided malformed file.
How severe is CVE-2020-13494?: CVE-2020-13494 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-13494 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13494?: CVE-2020-13494 affects Pixar Openusd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13494?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-13494 published?: CVE-2020-13494 was published on 2020-12-02 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1103

Affected products (1)

cpe:2.3:a:pixar:openusd:20.05:*:*:*:*:*:*:*

More vulnerabilities in Pixar Openusd

CVE-2020-13531 — High (CVSS 8.8): A use-after-free vulnerability exists in a way Pixar OpenUSD 20.08 processes reference paths textual USD files. A…
CVE-2020-13520 — High (CVSS 7.8): An out of bounds memory corruption vulnerability exists in the way Pixar OpenUSD 20.05 reconstructs paths from binary…
CVE-2020-13493 — High (CVSS 7.8): A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD…
CVE-2020-6156 — High (CVSS 7.8): A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD…
CVE-2020-6155 — High (CVSS 7.8): A heap overflow vulnerability exists in the Pixar OpenUSD 20.05 while parsing compressed value rep arrays in binary USD…
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