CVE-2021-1844 is a memory corruption vulnerability in WebKit, affecting Apple's iOS, iPadOS, Safari, watchOS, and macOS, as well as Debian and Fedora Project distributions. It allows arbitrary code execution when processing maliciously crafted web content. With a CVSS score of 8.8 (High), it presents a significant risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 14.0.3CPE matchmatch criteria | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | ||
< 14.4.1CPE matchmatch criteria | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | ||
< 14.4.1CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
< 11.2.3CPE matchmatch criteria | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | ||
< 14.5CPE matchmatch criteria | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.