Security readout for executives and security teams
Plain-English summary
CVE-2020-29625 is a macOS issue where processing a malicious image could allow arbitrary code execution. Apple fixed it in macOS Big Sur 11.1 and security updates for Catalina and Mojave. The sources do not provide CVSS, CWE, or component detail.
Executive priority
Treat this as a high-priority endpoint patching item, not an emergency zero-day based on current evidence. Arbitrary code execution is serious, but the bundle does not show active exploitation or severity scoring.
Technical view
Apple describes the flaw as an image-processing issue resolved with improved checks. The documented impact is arbitrary code execution when a maliciously crafted image is processed. Affected product evidence is limited to macOS, with fixes named for Big Sur, Catalina, and Mojave.
Likely exposure
Exposure is most likely on macOS systems missing Big Sur 11.1, Security Update 2020-001 Catalina, or Security Update 2020-007 Mojave. Evidence does not identify a specific image component, application, or configuration dependency.
Exploitation context
The provided CVE bundle marks CISA KEV as false and cites no active exploitation. The known trigger is processing a maliciously crafted image, but the sources do not describe exploit maturity or real-world campaigns.
Researcher notes
Public detail is sparse. Apple attributes the fix to improved checks and does not name the vulnerable parser, CWE, CVSS, or exploitation prerequisites beyond crafted image processing. Validation should focus on patch state, not exploit reproduction.
Mitigation direction
- Install Apple’s fixed macOS release or matching Security Update.
- Inventory macOS endpoints and identify systems below the fixed versions.
- Prioritize devices that handle external or untrusted image files.
- Check Apple guidance for unsupported macOS versions or upgrade paths.
Validation and detection
- Verify each endpoint reports a fixed macOS version or security update.
- Confirm patch deployment in MDM or endpoint management records.
- Review exception lists for unpatched Catalina, Mojave, or Big Sur systems.
- Monitor Apple advisories for any later clarification or superseding guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-29625 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/HT212011CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.