What’s Vulnerable › Vulnerabilities

CVE-2020-1737

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-09 · updated 2026-06-17
• Weakness: CWE-22

Description

A flaw was found in Ansible 2.7.17 and prior, 2.8.9 and prior, and 2.9.6 and prior when using the Extract-Zip function from the win_unzip module as the extracted file(s) are not checked if they belong to the destination folder. An attacker could take advantage of this flaw by crafting an archive anywhere in the file system, using a path traversal. This issue is fixed in 2.10.

Affected products

• RedHat Ansible Engine: before 2.7.17; from 2.8.0 before 2.8.9; from 2.9.0 before 2.9.6 — fixed in 2.7.17, 2.8.9, 2.9.6
• Tower: through 3.3.4; from 3.4.0 through 3.4.5; from 3.5.0 through 3.5.5; from 3.6.0 through 3.6.3

How to fix

Upgrade to a fixed version: RedHat Ansible Engine 2.7.17, 2.8.9, 2.9.6. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1737
• https://github.com/ansible/ansible/issues/67795
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FWDK3QUVBULS3Q3PQTGEKUQYPSNOU5M3/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QT27K5ZRGDPCH7GT3DRI3LO4IVDVQUB7/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3IMV3XEIUXL6S4KPLYYM4TVJQ2VNEP2/
• https://security.gentoo.org/glsa/202006-11
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1737
• https://github.com/ansible/ansible/issues/67795
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FWDK3QUVBULS3Q3PQTGEKUQYPSNOU5M3/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QT27K5ZRGDPCH7GT3DRI3LO4IVDVQUB7/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3IMV3XEIUXL6S4KPLYYM4TVJQ2VNEP2/
• https://security.gentoo.org/glsa/202006-11

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