CVE-2026-124575

LOW 3.7

SiteServer SSCMS Admin-Login CAPTCHA LoginController.Submit.cs LoginController.Submit excessive authentication

CVSS Score

3.7

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was identified in SiteServer SSCMS up to 7.1.3/7.2.1/7.4.0. This issue affects the function LoginController.Submit of the file src/SSCMS.Web/Controllers/Admin/LoginController.Submit.cs of the component Admin-Login CAPTCHA. Such manipulation of the argument isForceLogoutAndLogin leads to improper restriction of excessive authentication attempts. It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is assessed as difficult. The name of the patch is df3becb7ebb00a48435418a44fd08a459eb38ace. Applying a patch is advised to resolve this issue.

CWE	CWE-307 CWE-799
Vendor	siteserver
Product	sscms
Published	Nov 9, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

SiteServer / SSCMS

7.0 7.1 7.1.0 7.1.1 7.1.2 7.1.3 7.2 7.2.0 7.2.1 7.3 7.4.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/432921 vuldb.com: https://vuldb.com/vuln/432921/cti vuldb.com: https://vuldb.com/cve/CVE-2026-124575 vuldb.com: https://vuldb.com/submit/1038068 github.com: https://github.com/siteserver/cms/blob/15144f30c6cc0e11d50985b6ab9236cfce8cacbd/src/SSCMS.Web/Controllers/Admin/LoginController.Submit.cs#L46 github.com: https://github.com/siteserver/cms/pull/3905 github.com: https://github.com/siteserver/cms/commit/df3becb7ebb00a48435418a44fd08a459eb38ace

Credits

🔍 The_S7s (VulDB User)