CVE-2017-11428
CVSS v3
9.8
CRITICAL
EPSS Score
2.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
OneLogin Ruby-SAML 1.6.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.
Technical details
- Published
- 2019-04-17
Frequently asked questions
What is CVE-2017-11428?
OneLogin Ruby-SAML 1.6.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.
Is CVE-2017-11428 actively exploited?
Active exploitation of CVE-2017-11428 has not been confirmed. Its EPSS score was 2.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2017-11428?
CVE-2017-11428 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2017-11428 affecting your environment?
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