CVE-2023-46300

CRITICALNVD 9.89.8—Elevated

9.8

iTerm2 before 3.4.20 allow (potentially remote) code execution because of mishandling of certain escape sequences related to tmux integration.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 43.3%
KEV: Not listed

Published

October 22, 2023

Last Modified

November 21, 2024

References (8)

cve@mitrehttps://blog.solidsnail.com/posts/2023-08-28-iterm2-rce
cve@mitrehttps://github.com/gnachman/iTerm2/commit/ae8192522661c34d1cbe57f6f9ef2ff0a337c2a5
cve@mitrehttps://github.com/gnachman/iTerm2/commit/b2268b03b5f3d4cd8ca275eaef5d16d0fac20009
cve@mitrehttps://iterm2.com/news.html
af854a3a-2127-422b-91ae-364da2661108https://blog.solidsnail.com/posts/2023-08-28-iterm2-rce
af854a3a-2127-422b-91ae-364da2661108https://github.com/gnachman/iTerm2/commit/ae8192522661c34d1cbe57f6f9ef2ff0a337c2a5
af854a3a-2127-422b-91ae-364da2661108https://github.com/gnachman/iTerm2/commit/b2268b03b5f3d4cd8ca275eaef5d16d0fac20009
af854a3a-2127-422b-91ae-364da2661108https://iterm2.com/news.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-116Improper Encoding or Escaping of Output

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 15:24 UTCEG score recompute
2026-05-24 15:24 UTCGHSA enrichment
2026-05-23 17:35 UTCOSV refresh

Frequently asked(5)

What is CVE-2023-46300?

CVE-2023-46300 is a critical vulnerability published on October 22, 2023. iTerm2 before 3.4.20 allow (potentially remote) code execution because of mishandling of certain escape sequences related to tmux integration.

When was CVE-2023-46300 disclosed?

CVE-2023-46300 was first published in the National Vulnerability Database on October 22, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-46300 actively exploited?

CVE-2023-46300 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-46300?

CVE-2023-46300 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-46300?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-46300, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-46300

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-46300?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)