CVE-2018-4140 is a denial-of-service vulnerability affecting Apple iOS versions prior to 11.3, specifically within the Telephony component. An unauthenticated remote attacker can trigger a NULL pointer dereference and device reboot by sending a specially crafted Class 0 SMS message. This vulnerability has a CVSS v3 score of 7.5 (HIGH) due to its network-based attack vector, low complexity, and high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 11.3CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.