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CVE-2018-20225

7.8 · HIGH

An issue was discovered in pip (all versions) because it installs the version with the highest version number, even if the user had intended to obtain a private package from a private index.

Published May 8, 2020CWE-20EPSS 1.78%

Overview

CVE-2018-20225 is a high-severity vulnerability. It was published on May 8, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

An issue was discovered in pip (all versions) because it installs the version with the highest version number, even if the user had intended to obtain a private package from a private index. This only affects use of the --extra-index-url option, and exploitation requires that the package does not already exist in the public index (and thus the attacker can put the package there with an arbitrary version number). NOTE: it has been reported that this is intended functionality and the user is responsible for using --extra-index-url securely

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.redhat.com/show_bug.cgi?id=1835736Refcowlicks.website/posts/arbitrary-code-execution-from-pips-extra-index-url.htmlReflists.apache.org/thread.html/rb1adce798445facd032870d644eb39c4baaf9c4a7dd5477d12bb6ab2%40%3Cgithub.arrow.apache.org%3ERefpip.pypa.io/en/stable/news/Refbugzilla.redhat.com/show_bug.cgi?id=1835736Refcowlicks.website/posts/arbitrary-code-execution-from-pips-extra-index-url.htmlReflists.apache.org/thread.html/rb1adce798445facd032870d644eb39c4baaf9c4a7dd5477d12bb6ab2%40%3Cgithub.arrow.apache.org%3ERefpip.pypa.io/en/stable/news/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-20225?

CVE-2018-20225 is a high-severity vulnerability. It was published on May 8, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2018-20225?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-20225?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-20225?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-20225 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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