CVE-2015-3627

CVE-2015-3627 is a high-severity vulnerability in Docker 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-59.

Key facts

Description

Libcontainer and Docker Engine before 1.6.1 opens the file-descriptor passed to the pid-1 process before performing the chroot, which allows local users to gain privileges via a symlink attack in an image.

Frequently asked questions

What is CVE-2015-3627?
Libcontainer and Docker Engine before 1.6.1 opens the file-descriptor passed to the pid-1 process before performing the chroot, which allows local users to gain privileges via a symlink attack in an image.
How severe is CVE-2015-3627?
CVE-2015-3627 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2015-3627 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3627?
CVE-2015-3627 primarily affects Docker. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-3627?
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-2015-3627 published?
CVE-2015-3627 was published on 2015-05-18 and last updated on 2026-06-17.

References

Affected products (2)

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