CVE-2014-7817

CVE-2014-7817 is a medium-severity vulnerability in Gnu Glibc with a CVSS 2.0 base score of 4.6. 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-20.

Key facts

Description

The wordexp function in GNU C Library (aka glibc) 2.21 does not enforce the WRDE_NOCMD flag, which allows context-dependent attackers to execute arbitrary commands, as demonstrated by input containing "$((`...`))".

Frequently asked questions

What is CVE-2014-7817?
The wordexp function in GNU C Library (aka glibc) 2.21 does not enforce the WRDE_NOCMD flag, which allows context-dependent attackers to execute arbitrary commands, as demonstrated by input containing "$((`...`))".
How severe is CVE-2014-7817?
CVE-2014-7817 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2014-7817 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-7817?
CVE-2014-7817 primarily affects Gnu Glibc. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-7817?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-7817 published?
CVE-2014-7817 was published on 2014-11-24 and last updated on 2026-06-17.

References

Affected products (8)

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