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CVE Record

CVE-2020-6150: A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software USDC file format SPECS sectio...

A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software USDC file format SPECS section decompression heap overflow.

HighCVSS 8.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2020-6150 is a high-severity memory corruption issue in Pixar OpenUSD 20.05 involving decompression of the USDC file format SPECS section. A user or workflow must process a crafted file, so exposure depends on 3D asset handling, previews, or conversion pipelines that accept untrusted USD/USDC content.

Executive priority

Treat as a high-priority exposure review for teams handling 3D assets or macOS-based content workflows. Prioritize controls around untrusted file processing and vendor update verification over broad emergency response, because active exploitation is not evidenced in the supplied sources.

Technical view

The vulnerability is described as a heap overflow, CWE-122, in USDC SPECS section decompression. The CVSS 3.0 vector is 8.8 with network attack vector, low complexity, no privileges, required user interaction, unchanged scope, and high confidentiality, integrity, and availability impact.

Likely exposure

Likely exposed environments are systems using Pixar OpenUSD 20.05 or the cited Apple macOS Catalina 10.15.3 context to open, preview, convert, or ingest USD/USDC assets, especially from external creators, customers, vendors, or automated content pipelines.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. Risk is still meaningful because the CVSS vector indicates low complexity and no privileges, but user interaction is required through file processing.

Researcher notes

Evidence is limited to the CVE data and Talos reference. Do not assume affected versions beyond Pixar OpenUSD 20.05 and Apple macOS Catalina 10.15.3 as listed. Validation should focus on version presence and reachable file-processing paths, not exploit reproduction.

Mitigation direction

  • Inventory OpenUSD 20.05 and the cited macOS Catalina 10.15.3 exposure.
  • Check Pixar, OpenUSD, Apple, and Talos guidance for fixed releases or mitigations.
  • Limit USD/USDC intake to trusted sources until vendor guidance is applied.
  • Sandbox or isolate asset preview, conversion, and rendering workflows.
  • Disable automatic preview or processing of externally supplied USD/USDC files where feasible.

Validation and detection

  • Confirm whether OpenUSD 20.05 is installed or bundled in relevant workflows.
  • Identify systems that open, preview, convert, or ingest USD/USDC files.
  • Review whether external users, vendors, or customers can supply such assets.
  • Verify file-processing jobs run with least privilege and isolation.
  • Check vulnerability management records for Talos TALOS-2020-1094 coverage.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-122: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2020-6150 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.8CVSS 3.0HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.8High
CVSS 3.0 vector shape for CVE-2020-6150Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aPixarPixar OpenUSD 20.05, Apple macOS Catalina 10.15.3Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-122 · source CWE mapping

Heap-based Buffer Overflow

Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.