CVE-2016-10149

Pysaml2 vulnerability

CVSS

7.5

EPSS

3.9%

EPSS pct

89th

Exploited

No known

XML External Entity (XXE) vulnerability in PySAML2 4.4.0 and earlier allows remote attackers to read arbitrary files via a crafted SAML XML request or response.

Affected vendor

Pysaml2 Project

Affected product

Pysaml2

CVSS vector

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

Weakness type (CWE)

CWE-611 — XML External Entity (XXE) Reference

Published

2017-03-24

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2016-10149

Confirm whether Pysaml2 Project Pysaml2 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2016-10149.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-10149

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