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CVE-2020-15216

5.3 · MEDIUM

In goxmldsig (XML Digital Signatures implemented in pure Go) before version 1.1.0, with a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered…

Published Sep 29, 2020CWE-347EPSS 0.90%

Overview

CVE-2020-15216 is a medium-severity vulnerability. It was published on September 29, 2020 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In goxmldsig (XML Digital Signatures implemented in pure Go) before version 1.1.0, with a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. A patch is available, all users of goxmldsig should upgrade to at least revision f6188febf0c29d7ffe26a0436212b19cb9615e64 or version 1.1.0

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

GitHubgithub.com/russellhaering/goxmldsig/commit/f6188febf0c29d7ffe26a0436212b19cb9615e64GitHubgithub.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUH33FPUXED3FHYL25BJOQPRKFGPOMS2/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZECBFD4M4PHBMBOCMSQ537NOU37QOVWP/Refpkg.go.dev/github.com/russellhaering/goxmldsig?tab=overviewGitHubgithub.com/russellhaering/goxmldsig/commit/f6188febf0c29d7ffe26a0436212b19cb9615e64GitHubgithub.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUH33FPUXED3FHYL25BJOQPRKFGPOMS2/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZECBFD4M4PHBMBOCMSQ537NOU37QOVWP/Refpkg.go.dev/github.com/russellhaering/goxmldsig?tab=overview

How CyberStrike helps

Frequently asked questions

What is CVE-2020-15216?

CVE-2020-15216 is a medium-severity vulnerability. It was published on September 29, 2020 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2020-15216?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-15216?

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-2020-15216?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-15216 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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