How severe is CVE-2014-3677?

CVE-2014-3677 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2014-3677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3677?

CVE-2014-3677 affects Redhat Shim. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-3677?

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-2014-3677 published?

CVE-2014-3677 was published on 2014-10-22 and last updated on 2026-06-17.

CVE-2014-3677

CVE-2014-3677 is a high-severity vulnerability in Redhat Shim with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Redhat Shim
Published: 2014-10-22
Last modified: 2026-06-17

Description

Unspecified vulnerability in Shim might allow attackers to execute arbitrary code via a crafted MOK list, which triggers memory corruption.

Frequently asked questions

What is CVE-2014-3677?: Unspecified vulnerability in Shim might allow attackers to execute arbitrary code via a crafted MOK list, which triggers memory corruption.
How severe is CVE-2014-3677?: CVE-2014-3677 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2014-3677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3677?: CVE-2014-3677 affects Redhat Shim. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-3677?: 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-2014-3677 published?: CVE-2014-3677 was published on 2014-10-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*

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