CVE-2026-124575SiteServer SSCMS
NVD
Vulnerability Summary
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 v4.0 Base Metrics — Score 6.3 (MEDIUM)
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:XAttack VectorNetwork
Attack ComplexityHigh
Attack RequirementsNone
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)Low
Integrity (Vulnerable System)None
Availability (Vulnerable System)None
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 3.7)
CVSS v3.1 Base Metrics — Score 3.7 (LOW)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:CAttack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityNone
AvailabilityNone
Affected & Patched Versions
- SiteServer SSCMS 7.0
- SiteServer SSCMS 7.1
- SiteServer SSCMS 7.1.0
- SiteServer SSCMS 7.1.1
- SiteServer SSCMS 7.1.2
- SiteServer SSCMS 7.1.3
- SiteServer SSCMS 7.2
- SiteServer SSCMS 7.2.0
- SiteServer SSCMS 7.2.1
- SiteServer SSCMS 7.3
- SiteServer SSCMS 7.4.0
No patched version published yet
Until a fix ships, reduce exposure:
- Restrict access to the affected service or interface to trusted networks.
- Disable the affected feature if you do not need it.
- Watch the vendor advisory for a firmware or software update.
What to do
Fix it during your normal patch cycle. No exploitation is confirmed yet.
- Check whether you run SiteServer SSCMS and which version.
- No patched version is listed yet. Limit access to the affected service to trusted networks, and disable the feature if you can.
- Subscribe to the vendor advisory so you learn when a fix ships.
Timeline
- Nov 9, 2026Published
- Nov 13, 2026Record last modified
Score, severity and exploitation changes are tracked from the day Watchtower started logging them.
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External References
- Advisoryhttps://vuldb.com/vuln/432921
- Advisoryhttps://vuldb.com/vuln/432921/cti
- Advisoryhttps://vuldb.com/cve/CVE-2026-124575
- Advisoryhttps://vuldb.com/submit/1038068
- Referencehttps://github.com/siteserver/cms/blob/15144f30c6cc0e11d50985b6ab9236cfce8cacbd/src/SSCMS.Web/Controllers/Admin/LoginController.Submit.cs#L46
- Patchhttps://github.com/siteserver/cms/pull/3905
- Patchhttps://github.com/siteserver/cms/commit/df3becb7ebb00a48435418a44fd08a459eb38ace
Data last checked: Nov 14, 2026 01:09 UTC