Improper input validation in Apple iOS And Ipados
CVE-2021-1748
A validation issue was addressed with improved input sanitization. This issue is fixed in tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Apple iOS And Ipados — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/en-us/HT212146 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212148 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/HT212149 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-1748?
- CVE-2021-1748 is a high-severity vulnerability in Apple iOS And Ipados, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2021-04-02.
- How severe is CVE-2021-1748?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-1748 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.