How severe is CVE-2014-1421?

CVE-2014-1421 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2014-1421 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-1421?

CVE-2014-1421 affects Canonical Ubuntu Linux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-1421?

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-2014-1421 published?

CVE-2014-1421 was published on 2014-11-25 and last updated on 2026-06-17.

CVE-2014-1421

CVE-2014-1421 is a high-severity vulnerability in Canonical Ubuntu Linux with a CVSS 2.0 base score of 7.2. 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-264.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Canonical Ubuntu Linux
Published: 2014-11-25
Last modified: 2026-06-17

Description

mountall 1.54, as used in Ubuntu 14.10, does not properly handle the umask when using the mount utility, which allows local users to bypass intended access restrictions via unspecified vectors.

Frequently asked questions

What is CVE-2014-1421?: mountall 1.54, as used in Ubuntu 14.10, does not properly handle the umask when using the mount utility, which allows local users to bypass intended access restrictions via unspecified vectors.
How severe is CVE-2014-1421?: CVE-2014-1421 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2014-1421 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-1421?: CVE-2014-1421 affects Canonical Ubuntu Linux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-1421?: 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-2014-1421 published?: CVE-2014-1421 was published on 2014-11-25 and last updated on 2026-06-17.

References

http://www.ubuntu.com/usn/USN-2411-1

Affected products (1)

cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*

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