CVE-2020-29509
Authentication bypass in github.com/russellhaering/gosaml2
9.8
CRITICAL
CVSS 3.1
EPSS 0.19%
Description
The encoding/xml package in Go (all versions) does not correctly preserve the semantics of attribute 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.
How to fix CVE-2020-29509
To remediate CVE-2020-29509, upgrade the affected package to a fixed version below.
- —upgrade to 1.17.0 or later
- —no fix listed
- —upgrade to 0.6.0 or later
- —upgrade to 0.6.0 or later
Is CVE-2020-29509 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.17.0
- from 0
- from 0, < 0.6.0
- from 0, < 0.6.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |