CVE-2020-29511

CRITICAL severity · CVSS 9.8 · CWE-115

9.8CVSS CRITICAL

Summary

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.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)0%

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

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

NVD record
https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.mdAdvisory
https://security.netapp.com/advisory/ntap-20210129-0006/Advisory
https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.mdAdvisory
https://security.netapp.com/advisory/ntap-20210129-0006/Advisory