CVE-2017-2521 is a critical vulnerability in the WebKit component affecting iOS before 10.3.2, Safari before 10.1.1, tvOS before 10.2.1, and watchOS before 3.2.2. This flaw allows remote attackers to execute arbitrary code or cause a denial of service through memory corruption and application crashes by enticing a user to visit a crafted website. With a CVSS score of 8.8 (High), it presents a significant risk due to its network-based attack vector and low attack complexity, potentially leading to high confidentiality, integrity, and availability impacts. While there is no evidence of active exploitation in the wild and no Metasploit or Nuclei modules, an ExploitDB entry (EDB-42103) exists, indicating public knowledge of a proof-of-concept for a WebKit JSC vulnerability. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 10.3.2CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | ||
< 10.12.5CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | ||
< 10.2.1CPE matchmatch criteria | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | ||
< 3.2.2CPE matchmatch criteria | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.