How severe is CVE-2014-2906?

CVE-2014-2906 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2014-2906 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-2906?

CVE-2014-2906 affects Fishshell Fish. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-2906?

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

When was CVE-2014-2906 published?

CVE-2014-2906 was published on 2020-01-28 and last updated on 2026-06-17.

CVE-2014-2906

CVE-2014-2906 is a high-severity vulnerability in Fishshell Fish with a CVSS 3.x base score of 7.0. 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-362.

Key facts

Severity: High (CVSS 3.x base score 7.0)
CVSS v2: 4.4
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Fishshell Fish
Published: 2020-01-28
Last modified: 2026-06-17

Description

The psub function in fish (aka fish-shell) 1.16.0 before 2.1.1 does not properly create temporary files, which allows local users to execute arbitrary commands via a temporary file with a predictable name.

Frequently asked questions

What is CVE-2014-2906?: The psub function in fish (aka fish-shell) 1.16.0 before 2.1.1 does not properly create temporary files, which allows local users to execute arbitrary commands via a temporary file with a predictable name.
How severe is CVE-2014-2906?: CVE-2014-2906 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2014-2906 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2906?: CVE-2014-2906 affects Fishshell Fish. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-2906?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2014-2906 published?: CVE-2014-2906 was published on 2020-01-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fishshell:fish:*:*:*:*:*:*:*:*

More vulnerabilities in Fishshell Fish

CVE-2014-2914 — Critical (CVSS 9.8): fish (aka fish-shell) 2.0.0 before 2.1.1 does not restrict access to the configuration service (aka fish_config), which…
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CVE-2014-3219 — High (CVSS 7.8): fish before 2.1.1 allows local users to write to arbitrary files via a symlink attack on (1) /tmp/fishd.log.%s, (2)…
CVE-2014-3856 — High (CVSS 7.0): The funced function in fish (aka fish-shell) 1.23.0 before 2.1.1 does not properly create temporary files, which allows…
CVE-2014-2905 — Medium (CVSS 6.9): fish (aka fish-shell) 1.16.0 before 2.1.1 does not properly check the credentials, which allows local users to gain…
CVE-2023-49284 — Low (CVSS 3.9): fish is a smart and user-friendly command line shell for macOS, Linux, and the rest of the family. fish shell uses…

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