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Vulnerability record · CVE-2024-41107 · published 19 July 2024

CVE-2024-41107: Apache cloudstack authentication bypass by spoofing vulnerability

Apache · Cloudstack

The CloudStack SAML authentication (disabled by default) does not enforce signature check. In CloudStack environments where SAML authentication is enabled, an attacker that initiates CloudStack SAML single sign-on authentication can bypass SAML authentication by submitting a spoofed SAML response with no signature and known or guessed username and other user details of a SAML-enabled CloudStack user-account. In such environments, this can result in a complete compromise of the resources owned and/or accessible by a SAML enabled user-account. Affected users are recommended to disable the SAML authentication plugin by setting the "saml2.enabled" global setting to "false", or upgrade to version 4.18.2.2, 4.19.1.0 or later, which addresses this issue.

8.1 CVSS 3.1 High EPSS 18% · top 2.9% CWE-290 · Authentication bypass by spoofing
8.1CVSS 3.1 base score
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

The CloudStack SAML authentication (disabled by default) does not enforce signature check. In CloudStack environments where SAML authentication is enabled, an attacker that initiates CloudStack SAML single sign-on authentication can bypass SAML authentication by submitting a spoofed SAML response with no signature and known or guessed username and other user details of a SAML-enabled CloudStack user-account. In such environments, this can result in a complete compromise of the resources owned and/or accessible by a SAML enabled user-account. Affected users are recommended to disable the SAML authentication plugin by setting the "saml2.enabled" global setting to "false", or upgrade to version 4.18.2.2, 4.19.1.0 or later, which addresses this issue.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2024/07/19/1 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/07/19/2 Mailing ListThird Party Advisory
https://cloudstack.apache.org/blog/security-release-advisory-cve-2024-41107 MitigationVendor Advisory
https://github.com/apache/cloudstack/issues/4519 Issue Tracking
https://lists.apache.org/thread/5q06g8zvmhcw6w3tjr6r5prqdw6zckg3 Mailing ListVendor Advisory
https://www.shapeblue.com/shapeblue-security-advisory-apache-cloudstack-cve-2024-41107 Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/07/19/1 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/07/19/2 Mailing ListThird Party Advisory
https://cloudstack.apache.org/blog/security-release-advisory-cve-2024-41107 MitigationVendor Advisory
https://github.com/apache/cloudstack/issues/4519 Issue Tracking
https://lists.apache.org/thread/5q06g8zvmhcw6w3tjr6r5prqdw6zckg3 Mailing ListVendor Advisory
https://www.shapeblue.com/shapeblue-security-advisory-apache-cloudstack-cve-2024-41107 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-41107), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.