Actively exploited · Published Oct 16, 2020 · Assigned by apple

CVE-2020-9934

Medium 5.5 Exploited

In plain English

A medium-severity security flaw in iOS from Apple. Attackers are actively exploiting it in the wild (listed by CISA on September 8, 2022). The chance it is exploited in the next 30 days is estimated at 3.2% (higher than 88% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.1)5.5Medium

Exploit odds (30 days)3.2%top 11.8% of all CVEs

Exploited in the wildYesCISA KEV since Sep 8, 2022

Attack tooling2Metasploit, Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Sep 29, 2022.

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Apple	iOS	unspecified – before iOS 13.6 and iPadOS 13.6
Apple	macOS	unspecified – before macOS Catalina 10.15.6

References

https://support.apple.com/HT211289 x_refsource_MISC
https://support.apple.com/HT211288 x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9934 government-resource