CVE-2019-9535
highpriority · track · 40EPSS 0.025 · 84 %ileEUUSEPSS · scored 2026-10-26
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9–10
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- https://blog.mozilla.org/security/2019/10/09/iterm2-critical-issue-moss-audit/cnnvd
- https://groups.google.com/forum/#!topic/iterm2-discuss/57k_AuLdQa4cnnvd
- https://kb.cert.org/vuls/id/763073/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-9535cnnvd
- https://www.iterm2.comPatchcnnvd
- https://blog.mozilla.org/security/2019/10/09/iterm2-critical-issue-moss-audit/enisa_euvd
- https://groups.google.com/forum/#%21topic/iterm2-discuss/57k_AuLdQa4enisa_euvd
- https://kb.cert.org/vuls/id/763073/enisa_euvd
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