CVE-2018-15664

CVE-2018-15664 is a high-severity vulnerability in Docker with a CVSS 3.x base score of 7.5. 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 7.5)
• CVSS v2: 6.2
• EPSS exploit prediction: 3% (87th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-362
• Affected product: Docker
• Published: 2019-05-23
• Last modified: 2026-06-17

Description

In Docker through 18.06.1-ce-rc2, the API endpoints behind the 'docker cp' command are vulnerable to a symlink-exchange attack with Directory Traversal, giving attackers arbitrary read-write access to the host filesystem with root privileges, because daemon/archive.go does not do archive operations on a frozen filesystem (or from within a chroot).

Frequently asked questions

What is CVE-2018-15664?

In Docker through 18.06.1-ce-rc2, the API endpoints behind the 'docker cp' command are vulnerable to a symlink-exchange attack with Directory Traversal, giving attackers arbitrary read-write access to the host filesystem with root privileges, because daemon/archive.go does not do archive operations on a frozen filesystem (or from within a chroot).

How severe is CVE-2018-15664?

CVE-2018-15664 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-15664 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15664?

CVE-2018-15664 primarily affects Docker. In total, 64 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-15664?

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-2018-15664 published?

CVE-2018-15664 was published on 2019-05-23 and last updated on 2026-06-17.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00066.html
• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00001.html
• http://www.openwall.com/lists/oss-security/2019/05/28/1
• http://www.openwall.com/lists/oss-security/2019/08/21/1
• http://www.securityfocus.com/bid/108507
• https://access.redhat.com/errata/RHSA-2019:1910
• https://bugzilla.suse.com/show_bug.cgi?id=1096726
• https://github.com/moby/moby/pull/39252
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-15664
• https://usn.ubuntu.com/4048-1/
• https://access.redhat.com/security/cve/cve-2018-15664

Affected products (64)

• cpe:2.3:a:docker:docker:17.06.0-ce:*:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.06.0-ce:rc1:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.06.0-ce:rc2:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.06.0-ce:rc3:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.06.0-ce:rc4:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.06.0-ce:rc5:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.06.1-ce:*:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.06.1-ce:rc1:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.06.1-ce:rc2:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.06.1-ce:rc3:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.06.1-ce:rc4:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.06.2-ce:*:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.06.2-ce:rc1:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.07.0-ce:*:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.07.0-ce:rc1:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.07.0-ce:rc2:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.07.0-ce:rc3:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.07.0-ce:rc4:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.09.0-ce:*:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.09.0-ce:rc1:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.09.0-ce:rc2:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.09.0-ce:rc3:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.09.1-ce:*:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.09.1-ce-:rc1:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.10.0-ce:*:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.10.0-ce:rc1:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.10.0-ce:rc2:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.11.0-ce:*:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.11.0-ce:rc1:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.11.0-ce:rc2:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.11.0-ce:rc3:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.11.0-ce:rc4:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.12.0-ce:*:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.12.0-ce:rc1:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.12.0-ce:rc2:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.12.0-ce:rc3:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.12.0-ce:rc4:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.12.1-ce:*:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.12.1-ce:rc1:*:*:community:*:*:*
• cpe:2.3:a:docker:docker:17.12.1-ce:rc2:*:*:community:*:*:*

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