Answer in brief
CVE-2020-9934 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Apple/iOS (generic), Apple/macOS (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Apple/iOS (generic), Apple/macOS (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Apple/iOSgeneric | >=unspecified <iOS 13.6 and iPadOS 13.6 | iOS 13.6 and iPadOS 13.6 |
| Apple/macOSgeneric | >=unspecified <macOS Catalina 10.15.6 | macOS Catalina 10.15.6 |
Published upstream
Oct 16, 2020
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Sep 8, 2022
Evidence: source:kev:kev:kev:recordAn issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2020-9934 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Apple/iOS (generic), Apple/macOS (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Apple/iOS (generic), Apple/macOS (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Apple/iOSgeneric | >=unspecified <iOS 13.6 and iPadOS 13.6 | iOS 13.6 and iPadOS 13.6 |
| Apple/macOSgeneric | >=unspecified <macOS Catalina 10.15.6 | macOS Catalina 10.15.6 |
Published upstream
Oct 16, 2020
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Sep 8, 2022
Evidence: source:kev:kev:kev:recordAn issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.
Quoted source text, attributed separately from HOL analysis.