What is CVE-2020-9934?

CVE-2020-9934 is a vulnerability in Apple Ios. Published 2020-10-16.

Is CVE-2020-9934 known to be exploited?

Yes. CVE-2020-9934 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-08), indicating it is being actively exploited. 16 public proof-of-concept repositories are indexed.

Vulnerability in Apple Ios

CVE-2020-9934

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 informat…

EPSS: 0.021 (84.4th percentile) — read the EPSS interpretation.

Affected products

Apple Ios — versions unspecified
Apple Macos — versions unspecified

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-09-08. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-09-29.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

support.apple.com/HT211289 (x_refsource_MISC)
support.apple.com/HT211288 (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-9934?: CVE-2020-9934 is a vulnerability in Apple Ios. Published 2020-10-16.
Is CVE-2020-9934 known to be exploited?: Yes. CVE-2020-9934 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-08), indicating it is being actively exploited. 16 public proof-of-concept repositories are indexed.