CVE-2026-124575: medium-severity vulnerability in SiteServer SSCMS
SiteServer SSCMS Admin-Login CAPTCHA LoginController.Submit.cs LoginController.Submit excessive authentication
Published
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10Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3
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.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
Affected products
SiteServer · SSCMSRelated CVEs — SiteServer SSCMS
In the same product, most dangerous first.
References
https://github.com/siteserver/cms/blob/15144f30c6cc0e11d50985b6ab9236cfce8cacbd/src/SSCMS.Web/Controllers/Admin/LoginController.Submit.cs#L46https://github.com/siteserver/cms/commit/df3becb7ebb00a48435418a44fd08a459eb38acehttps://github.com/siteserver/cms/pull/3905https://vuldb.com/cve/CVE-2026-124575https://vuldb.com/submit/1038068https://vuldb.com/vuln/432921https://vuldb.com/vuln/432921/cti