VulnerabilityModified

CVE-2020-9941

A remote attacker may be able to unexpectedly alter application state.

HIGH 7.5EPSS 2.57%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. A remote attacker may be able to unexpectedly alter application state.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS: 2.57% probability · 84th percentile
CISA KEV: Not listed
Affected: apple/ipados · apple/iphone os · apple/mac os x · apple/macos · apple/watchos
Source: product-security@apple.com

References

http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Nov/20Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Nov/21Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Nov/22Mailing List, Third Party Advisory
https://support.apple.com/en-us/HT211849Release Notes, Vendor Advisory
https://support.apple.com/kb/HT211844Vendor Advisory
https://support.apple.com/kb/HT211850Vendor Advisory
https://support.apple.com/kb/HT211931Vendor Advisory
http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Nov/20Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Nov/21Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Nov/22Mailing List, Third Party Advisory
https://support.apple.com/en-us/HT211849Release Notes, Vendor Advisory
https://support.apple.com/kb/HT211844Vendor Advisory
https://support.apple.com/kb/HT211850Vendor Advisory
https://support.apple.com/kb/HT211931Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.