CVE-2018-7340
mediumpriority · track · 30EPSS 0.009 · 61 %ileEUUSEPSS · scored 2026-10-27
Duo Network Gateway 1.2.9 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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.7
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementationscnnvd
- https://duo.com/labs/psa/duo-psa-2017-003Patchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2018-7340cnnvd
- https://www.kb.cert.org/vuls/id/475445cnnvd
- https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementationsenisa_euvd
- https://www.kb.cert.org/vuls/id/475445enisa_euvd
- https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementationsExploitVendor Advisorynvd
- https://www.kb.cert.org/vuls/id/475445Third Party AdvisoryUS Government Resourcenvd
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