What is CVE-2024-52806?

CVE-2024-52806 is a high-severity vulnerability in Simplesamlphp Saml2, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.3/10. Published 2024-12-02.

How severe is CVE-2024-52806?

High severity. CVSS v3 base score is 8.3 out of 10.

XXE in Simplesamlphp Saml2

CVE-2024-52806

SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. When loading an (untrusted) XML document, for example the SAMLResponse, it's possible to induce an XXE. This vulnerability is fixed in 4.6.14 and 5.0.0-alpha.18.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.004 (33.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L.

Affected products

Simplesamlphp Saml2 — versions < 4.6.14, >= 5.0.0-alpha.1, < 5.0.0-alpha.18

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2024-52806?: CVE-2024-52806 is a high-severity vulnerability in Simplesamlphp Saml2, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.3/10. Published 2024-12-02.
How severe is CVE-2024-52806?: High severity. CVSS v3 base score is 8.3 out of 10.