CVE-2020-9934
Apple iOS, iPadOS, and macOS Input Validation Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run iOS, iPadOS, and macOS, fix it now.
CISA required action: Apply updates per vendor instructions.
US federal civilian agencies must remediate by Sep 29, 2022.
Patch status
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
Description
An 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.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Affected versions | Fixed in | Source |
|---|---|---|---|---|
| iOS & iPadOS | Apple | < 13.6 | 13.6 | NVD |
| iOS, iPadOS, and macOS | Apple | — | — | KEV |
Sources: NVD = NIST National Vulnerability Database; KEV = CISA Known Exploited Vulnerabilities catalog.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2020-9934 scored CVSS 5.5: Apple iOS, iPadOS, and macOS, Apple iOS, iPadOS, and macOS Input Validation Vulnerability
CISA lists this as exploited in the wild. Unpatched iOS, iPadOS, and macOS systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
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Coverage
We have not published a story about this vulnerability yet.