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CVE-2020-29511

CRITICAL
Published 2020-12-14T19:59:50.700201Z
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Expert Analysis

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CVSS Score

V3.1
9.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.003
probability
of exploitation in the wild

There is a 0.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.552
Higher than 55.2% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Golang

Go

Affected Versions:

All versions

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-g7v2-7v9m-q9j4

Advisory Details

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.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-29511
WEB https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.md
WEB https://security.netapp.com/advisory/ntap-20210129-0006

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: July 27, 2023

References

https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.md
https://security.netapp.com/advisory/ntap-20210129-0006/
Published: 2020-12-14T19:59:50.700201Z
Last Modified: 2024-09-17T04:09:22.123Z
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