What is CVE-2017-1000452?

CVE-2017-1000452 is a high-severity vulnerability in Samlify Project, classified under XML Injection (Blind XPath Injection). CVSS score: 7.5/10. Published 2018-01-02.

How severe is CVE-2017-1000452?

High severity. CVSS v3 base score is 7.5 out of 10.

XPath Injection in Samlify Project

CVE-2017-1000452

An XML Signature Wrapping vulnerability exists in Samlify 2.2.0 and earlier, and in predecessor Express-saml2 which could allow attackers to impersonate arbitrary users.

Published 2018-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.9th percentile), scored 2026-10-24.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Samlify Project

Weakness classification (CWE)

CWE-91 — XML Injection (Blind XPath Injection)

References

github.com/tngan/samlify/releases/tag/v2.3.0 (Patch, Third Party Advisory, Release Notes, Issue Tracking)
www.whitehats.nl/blog/xml-signature-wrapping-samlify (Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2017-1000452?: CVE-2017-1000452 is a high-severity vulnerability in Samlify Project, classified under XML Injection (Blind XPath Injection). CVSS score: 7.5/10. Published 2018-01-02.
How severe is CVE-2017-1000452?: High severity. CVSS v3 base score is 7.5 out of 10.