HOMEVULNERABILITIESCVE-2020-13520
HIGH

CVE-2020-13520

CWE-119Published: December 11, 2020· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

An out of bounds memory corruption vulnerability exists in the way Pixar OpenUSD 20.05 reconstructs paths from binary USD files. A specially crafted malformed file can trigger an out of bounds memory modification which can result in remote code execution. To trigger this vulnerability, victim needs to access an attacker-provided malformed file.

NVD Source

Technical Analysis

CVE-2020-13520 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.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

Apple1 product(s)
macos
pixar1 product(s)
openusd
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://support.apple.com/kb/HT212011
ADVISORYhttps://talosintelligence.com/vulnerability_reports/TALOS-2020-1120
ADVISORYhttps://support.apple.com/kb/HT212011
ADVISORYhttps://talosintelligence.com/vulnerability_reports/TALOS-2020-1120

All References (4)

→
https://support.apple.com/kb/HT212011Third Party Advisory
→
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1120Exploit · Technical Description · Third Party Advisory
→
https://support.apple.com/kb/HT212011Third Party Advisory
→
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1120Exploit · Technical Description · Third Party Advisory

Quick Facts

CVE IDCVE-2020-13520
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
Affected2 vendor(s)
PublishedDec 11, 2020

Related CVEs (CWE-119)

CVE-2001-0803
10.0
CVE-2012-5965
10.0
CVE-2007-5257
10.0
CVE-2009-1058
10.0
CVE-2002-2251
10.0
CVE-2012-5961
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-13520 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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