Vulnerability in Apple Ios And Ipados
CVE-2021-1789
A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0…
EPSS: 0.002 (47.9th percentile) — read the EPSS interpretation.
Affected products
- Apple Ios And Ipados — versions unspecified
- Apple Macos — versions unspecified
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . 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: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT212147 (x_refsource_MISC)
- support.apple.com/en-us/HT212146 (x_refsource_MISC)
- support.apple.com/en-us/HT212148 (x_refsource_MISC)
- support.apple.com/en-us/HT212149 (x_refsource_MISC)
- support.apple.com/en-us/HT212152 (x_refsource_MISC)
- FEDORA-2021-864dc37032 (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2021-619711d709 (vendor-advisory, x_refsource_FEDORA)
- GLSA-202104-03 (vendor-advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2021-1789?
- CVE-2021-1789 is a vulnerability in Apple Ios And Ipados. Published 2021-04-02.
- Is CVE-2021-1789 known to be exploited?
- Yes. CVE-2021-1789 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-04), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.