CVE-2021-3726

HIGHNVD 7.57.5—

7.5

Vulnerability in `title` function Description: the `title` function defined in `lib/termsupport.zsh` uses `print` to set the terminal title to a user-supplied string. In Oh My Zsh, this function is always used securely, but custom user code could use the `title` function in a way that is unsafe. Fixed in: a263cdac. Impacted areas: - `title` function in `lib/termsupport.zsh`. - Custom user code using the `title` function.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 63.7%
KEV: Not listed

Published

November 30, 2021

Last Modified

November 21, 2024

References (2)

security@huntrhttps://github.com/ohmyzsh/ohmyzsh/commit/a263cdac
af854a3a-2127-422b-91ae-364da2661108https://github.com/ohmyzsh/ohmyzsh/commit/a263cdac

Weakness Classification(1)

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

CWE-78OS Command Injection

Data Freshness Timeline

(refreshed 13× 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.

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Frequently asked(5)

What is CVE-2021-3726?

CVE-2021-3726 is a high vulnerability published on November 30, 2021. Vulnerability in title function Description: the title function defined in lib/termsupport.zsh uses print to set the terminal title to a user-supplied string. In Oh My Zsh, this function is always used securely, but custom user code could use the title function in a way that is unsafe. Fixed in:…

When was CVE-2021-3726 disclosed?

CVE-2021-3726 was first published in the National Vulnerability Database on November 30, 2021, 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-2021-3726 actively exploited?

CVE-2021-3726 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-3726?

CVE-2021-3726 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2021-3726?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-3726, 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.

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CVE-2021-3726

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-3726?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)