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    CVE-2016-10127

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

    Published:Jan 10, 2017
    Last Modified:Apr 20, 2025
    EPS:Mar 3, 2017
    EPSS Score:0.00778
    CVSS Score:9

    Affected Products

    Vendor
    Pysaml2 Project
    Product
    Pysaml2

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-221 Data Serialization External Entities Blowup

    Related CVEs

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    CVE-2021-21238 (CVSS 6.5) — PySAML2 is a pure python implementation of SAML Version 2 Standard. PySAML2 before 6.5.0 has an improper verif…
    CVE-2020-5390 (CVSS 7.5) — PySAML2 before 5.0.0 does not check that the signature in a SAML document is enveloped and thus signature wrap…
    CVE-2017-1000433 (CVSS 8.1) — pysaml2 version 4.4.0 and older accept any password when run with python optimizations enabled. This allows at…
    CVE-2017-1000246 (CVSS 5.3) — Python package pysaml2 version 4.4.0 and earlier reuses the initialization vector across encryptions in the ID…
    CVE-2016-10149 (CVSS 7.5) — XML External Entity (XXE) vulnerability in PySAML2 4.4.0 and earlier allows remote attackers to read arbitrary…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High