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CVE-2026-124575

6.3 mediumEPSS 0.4%

Medium (6.3) in siteserver sscms. EPSS 0.4% estimated probability of exploitation activity in the next 30 days.

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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.

Severity

CVSS 4.0

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

CVSS 3.1

3.7 low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
0.4% estimated probability of exploitation activity in the next 30 days; 35th percentile. Scored 2026-11-10. A forecast for this CVE across the internet, not for your own systems.
CWEs
CWE-307 Improper Restriction of Excessive Authentication Attempts
CWE-799 Improper Control of Interaction Frequency
OWASP Top 10
A06:2025 Insecure Design, A07:2025 Authentication Failures
Published
Modified
NVD analysis
Deferred: the NVD does not plan to analyze it
Record from
the NVD, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
SiteServer SSCMS7.0
SiteServer SSCMS7.1
SiteServer SSCMS7.1.0
SiteServer SSCMS7.1.1
SiteServer SSCMS7.1.2
SiteServer SSCMS7.1.3
SiteServer SSCMS7.2
SiteServer SSCMS7.2.0
SiteServer SSCMS7.2.1
SiteServer SSCMS7.3
SiteServer SSCMS7.4.0

Attack patterns (CAPEC)

  • CAPEC-16 Dictionary-based Password Attack Likelihood: Medium · Severity: High
  • CAPEC-49 Password Brute Forcing Likelihood: Medium · Severity: High
  • CAPEC-560 Use of Known Domain Credentials Likelihood: High · Severity: High
  • CAPEC-565 Password Spraying Likelihood: High · Severity: High
  • CAPEC-600 Credential Stuffing Likelihood: High · Severity: High
  • CAPEC-652 Use of Known Kerberos Credentials Likelihood: Medium · Severity: High
  • CAPEC-653 Use of Known Operating System Credentials Likelihood: High · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

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