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/).

Vulnerability/
CVE-2020-29511

critical

9.8

CWE

115

14/12/2020

17/9/2024

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 Software	Affected Version	How to fix
Golang Go	<1.17
Netapp 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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