CVE-2026-124575: SiteServer SSCMS · CWE-307
Source GCVE Database
Not known to be exploited · CVSS 6.3 Medium.
Data as of 9 Nov 2026, 10:22 UTC
Thin evidence
One scorer or none| CNA (VulDB) | CVSS 4.0 | 6.3 |
|---|---|---|
| CNA (VulDB) | CVSS 3.1 | 3.7 |
| CNA (VulDB) | CVSS 3.0 | 3.7 |
| CNA (VulDB) | CVSS 2.0 | 2.6 |
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:XExploitation evidence
Disclosed: evidence found.
CVE published 9 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SiteServerSSCMS | Affected
| Fixed in– |
AI-suggested
A patch identified by commit df3becb7ebb00a48435418a44fd08a459eb38ace is available and applying it is advised to resolve this issue. No other specific mitigations are indicated. Since the vulnerability is not in a cloud service, manual patching by administrators is required.
Description
A vulnerability in SiteServer SSCMS up to versions 7.1.3, 7.2.1, and 7.4.0 affects the LoginController.Submit function in the Admin-Login CAPTCHA component. The flaw involves improper restriction of excessive authentication attempts due to manipulation of the isForceLogoutAndLogin argument. This vulnerability can be exploited remotely but requires high attack complexity and is difficult to exploit. A patch identified by commit df3becb7ebb00a48435418a44fd08a459eb38ace is available to address the issue.
References
- nvd.nist.gov/vuln/detail/CVE-2026-124575 (opens in a new tab)
- github.com/siteserver/cms/pull/3905 (opens in a new tab)
- github.com/siteserver/cms/commit/df3becb7ebb00a48435418a44fd08a459eb38ace (opens in a new tab)
- github.com/siteserver/cms/blob/15144f30c6cc0e11d50985b6ab9236cfce8cacbd/src/SSCMS.Web/Controllers/Admin/LoginController.Submit.cs (opens in a new tab)
- vuldb.com/cve/CVE-2026-124575 (opens in a new tab)
- vuldb.com/submit/1038068 (opens in a new tab)
- vuldb.com/vuln/432921 (opens in a new tab)
- vuldb.com/vuln/432921/cti (opens in a new tab)