How severe is CVE-2023-46301?

CVE-2023-46301 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-46301 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-46301?

CVE-2023-46301 affects Iterm2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-46301?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-46301 published?

CVE-2023-46301 was published on 2023-10-22 and last updated on 2026-06-17.

CVE-2023-46301

CVE-2023-46301 is a critical-severity vulnerability in Iterm2 with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-116.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-116
Affected product: Iterm2
Published: 2023-10-22
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-46301?: iTerm2 before 3.4.20 allow (potentially remote) code execution because of mishandling of certain escape sequences related to upload.
How severe is CVE-2023-46301?: CVE-2023-46301 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-46301 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-46301?: CVE-2023-46301 affects Iterm2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-46301?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-46301 published?: CVE-2023-46301 was published on 2023-10-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:iterm2:iterm2:*:*:*:*:*:*:*:*

More vulnerabilities in Iterm2

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CVE-2022-45872 — Critical (CVSS 9.8): iTerm2 before 3.4.18 mishandles a DECRQSS response.

All CVEs affecting Iterm2 →

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