{"cve":"CVE-2019-9535","nvd":{"published":"2019-10-09T20:15:33.363","modified":"2026-06-17T02:43:54.627","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-74","CWE-349"],"references":["https://blog.mozilla.org/security/2019/10/09/iterm2-critical-issue-moss-audit/","https://groups.google.com/forum/#%21topic/iterm2-discuss/57k_AuLdQa4","https://kb.cert.org/vuls/id/763073/","https://blog.mozilla.org/security/2019/10/09/iterm2-critical-issue-moss-audit/","https://groups.google.com/forum/#%21topic/iterm2-discuss/57k_AuLdQa4"],"products":["iterm2:iterm2"],"source":"nvd","synced_at":"2026-10-19T20:59:10.855360465+00:00"},"epss":{"cve":"CVE-2019-9535","score":0.02459,"percentile":0.84444,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}