🛡️ CVE-2016-10127 — pysaml2

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-611 OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

PySAML2 XML external entity attack

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

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2016-10127 is classified as CWE-611: XML External Entity Reference (XXE). An XML parser resolves external entities, letting a crafted document read local files or reach internal services.

Affected software

CVE-2016-10127 is recorded against 1 package.

  • pysaml2 (fixed in 4.5.0)

Timeline and source

Published on 17 May 2022 and last revised on 24 October 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Web)
bugs.debian.org (Web)
github.com (Advisory)
github.com (Web)
github.com (Package)
web.archive.org (Web)
www.openwall.com (Web)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CWE CWE-611
Public Exploit ✅ No
Source OSV
Published 2022-05-17
Updated 2026-08-12
Modified 2024-10-24
Fix URL N/A

Affected Packages

Software From version Fixed in
pysaml2 — 4.5.0

Exploit Protection

Are you running pysaml2?

CVE-2016-10127 carries CVSS 9.5 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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