Vulnerability in Apple iOS And Ipados
CVE-2021-1801
This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Maliciously crafted web content may violate iframe sandboxing policy.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: -0.000
Affected products
- Apple iOS And Ipados — versions unspecified
- Apple Ipad OS
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple tvOS
- Apple watchOS
- Webkitgtk
- Fedoraproject Fedora — versions 32, 33
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT212147 (Vendor Advisory)
- support.apple.com/en-us/HT212146 (Vendor Advisory)
- support.apple.com/en-us/HT212148 (Vendor Advisory)
- support.apple.com/en-us/HT212149 (Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202104-03 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-1801?
- CVE-2021-1801 is a medium-severity vulnerability in Apple iOS And Ipados. CVSS score: 6.5/10. Published 2021-04-02.
- How severe is CVE-2021-1801?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-1801 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.