CVE-2019-9535

CRITICAL

iTerm2 <= 3.3.5 - Remote Code Execution via tmux Control Mode

Title source: llm
STIX 2.1

Description

A vulnerability exists in the way that iTerm2 integrates with tmux's control mode, which may allow an attacker to execute arbitrary commands by providing malicious output to the terminal. This affects versions of iTerm2 up to and including 3.3.5. This vulnerability may allow an attacker to execute arbitrary commands on their victim's computer by providing malicious output to the terminal. It could be exploited using command-line utilities that print attacker-controlled content.

References (3)

Core 3
Core References
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
https://kb.cert.org/vuls/id/763073/

Scores

CVSS v3 9.8
EPSS 0.0248
EPSS Percentile 82.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-349 CWE-74
Status published
Products (1)
iterm2/iterm2 < 3.3.5
Published Oct 09, 2019
Tracked Since Feb 18, 2026