CVE-2019-9535

CRITICAL EPSS 82.6%
Published Oct 9, 20196y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Oct 9, 2019 6y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
82.6% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-349
CWE-74

Affected Products 1

VendorProductVersionRange
iterm2iterm2* ≤3.3.5

References 3

  • blog.mozilla.org https://blog.mozilla.org/security/2019/10/09/iterm2-critical-issue-moss-audit/
    ExploitThird Party Advisory
  • groups.google.com https://groups.google.com/forum/#%21topic/iterm2-discuss/57k_AuLdQa4
  • kb.cert.org https://kb.cert.org/vuls/id/763073/
    Third Party AdvisoryUS Government Resource

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.