PySAML2 XML external entity attack · CVE-2016-10127 · GitHub Advisory Database · GitHub

PySAML2 XML external entity attack

Critical severity GitHub Reviewed Published May 17, 2022 to the GitHub Advisory Database • Updated Sep 5, 2023

Package

pysaml2 (pip)

Affected versions

< 4.5.0

Patched versions

4.5.0

Description

PySAML2 allows remote attackers to conduct XML external entity (XXE) attacks via a crafted SAML XML request or response.

References

Published by the National Vulnerability Database

Mar 3, 2017

Published to the GitHub Advisory Database May 17, 2022

Reviewed Jun 17, 2022

Last updated Sep 5, 2023

Severity

Critical

9.0

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

Low

User interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H