Vulnerability-Lookup

CVE-2026-124575 (GCVE-0-2026-124575)

Vulnerability from cvelistv5 – Published: 2026-11-09 06:45 – Updated: 2026-11-09 06:45 X_Open Source

Title

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

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.

Severity

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:X

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:C

3.7 (Low)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts
CWE-799 - Improper Control of Interaction Frequency

Assigner

VulDB CNA

References

7 references

URL	Tags
https://vuldb.com/vuln/432921	vdb-entrytechnical-description
https://vuldb.com/vuln/432921/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-124575	third-party-advisory
https://vuldb.com/submit/1038068	third-party-advisory
https://github.com/siteserver/cms/blob/15144f30c6…	related
https://github.com/siteserver/cms/pull/3905	issue-trackingpatch
https://github.com/siteserver/cms/commit/df3becb7…	patch

Impacted products

1 product

Vendor	Product	Version
SiteServer	SSCMS	Affected: 7.0 Affected: 7.1 Affected: 7.1.0 Affected: 7.1.1 Affected: 7.1.2 Affected: 7.1.3 Affected: 7.2 Affected: 7.2.0 Affected: 7.2.1 Affected: 7.3 Affected: 7.4.0 cpe:2.3:a:sscms:sscms::::::::

Credits

The_S7s (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:sscms:sscms:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Admin-Login CAPTCHA"
          ],
          "product": "SSCMS",
          "vendor": "SiteServer",
          "versions": [
            {
              "status": "affected",
              "version": "7.0"
            },
            {
              "status": "affected",
              "version": "7.1"
            },
            {
              "status": "affected",
              "version": "7.1.0"
            },
            {
              "status": "affected",
              "version": "7.1.1"
            },
            {
              "status": "affected",
              "version": "7.1.2"
            },
            {
              "status": "affected",
              "version": "7.1.3"
            },
            {
              "status": "affected",
              "version": "7.2"
            },
            {
              "status": "affected",
              "version": "7.2.0"
            },
            {
              "status": "affected",
              "version": "7.2.1"
            },
            {
              "status": "affected",
              "version": "7.3"
            },
            {
              "status": "affected",
              "version": "7.4.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "The_S7s (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "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",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "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",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 2.6,
            "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N/E:ND/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-307",
              "description": "Improper Restriction of Excessive Authentication Attempts",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-799",
              "description": "Improper Control of Interaction Frequency",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-09T06:45:19.896Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-432921 | SiteServer SSCMS Admin-Login CAPTCHA LoginController.Submit.cs LoginController.Submit excessive authentication",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/432921"
        },
        {
          "name": "VDB-432921 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/432921/cti"
        },
        {
          "name": "CVE-2026-124575 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-124575"
        },
        {
          "name": "Submit #1038068 | siteserver SiteServer CMS (SSCMS) 7.4.0 Improper Restriction of Excessive Authentication Attempts",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/1038068"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://github.com/siteserver/cms/blob/15144f30c6cc0e11d50985b6ab9236cfce8cacbd/src/SSCMS.Web/Controllers/Admin/LoginController.Submit.cs#L46"
        },
        {
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/siteserver/cms/pull/3905"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/siteserver/cms/commit/df3becb7ebb00a48435418a44fd08a459eb38ace"
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-11-08T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-11-08T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-11-08T18:03:03.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "SiteServer SSCMS Admin-Login CAPTCHA LoginController.Submit.cs LoginController.Submit excessive authentication",
      "x_generator": [
        "VulDB PVTS v202611"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-124575",
    "datePublished": "2026-11-09T06:45:19.896Z",
    "dateReserved": "2026-11-08T16:57:48.423Z",
    "dateUpdated": "2026-11-09T06:45:19.896Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CVE-2026-124575 (GCVE-0-2026-124575)

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