CWE
115
Advisory Published
Updated

CVE-2020-29511

First published: Mon Dec 14 2020(Updated: )

The encoding/xml package in Go (all versions) does not correctly preserve the semantics of element namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.

Credit: responsibledisclosure@mattermost.com responsibledisclosure@mattermost.com

Affected SoftwareAffected VersionHow to fix
Go<1.17
NetApp Astra Trident

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Frequently Asked Questions

  • What is the severity of CVE-2020-29511?

    The severity of CVE-2020-29511 is critical with a CVSS score of 5.6.

  • What is CVE-2020-29511?

    CVE-2020-29511 is a vulnerability in the encoding/xml package in Go that allows attackers to craft inputs that behave in conflicting ways during different stages of processing.

  • Which software is affected by CVE-2020-29511?

    The Go programming language (all versions up to 1.17) and NetApp Trident are affected by CVE-2020-29511.

  • How can an attacker exploit CVE-2020-29511?

    An attacker can exploit CVE-2020-29511 by crafting inputs that manipulate the semantics of element namespace prefixes during tokenization round-trips.

  • Are there any references for CVE-2020-29511?

    Yes, the references for CVE-2020-29511 are available at the following URLs: [GitHub Advisory](https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.md) and [NetApp Advisory](https://security.netapp.com/advisory/ntap-20210129-0006/).

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