Vulnerability-Lookup

CVE-2024-6594 (GCVE-0-2024-6594)

Vulnerability from cvelistv5 – Published: 2024-09-25 11:22 – Updated: 2026-08-07 23:42

Title

WatchGuard Firebox Single Sign-On Client Denial-of-Service

Summary

Improper Handling of Exceptional Conditions vulnerability in the WatchGuard Single Sign-On Client on Windows causes the client to crash while handling malformed commands. An attacker with network access to the client could create a denial of service condition for the Single Sign-On service by repeatedly issuing malformed commands.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-25 13:44 UTC

CWE

CWE-755

Assigner

WatchGuard mitre root

References

3 references

URL	Tags
https://www.redteam-pentesting.de/advisories/rt-s…	technical-description
https://psirt.watchguard.com/CVE-2024-6594	vendor-advisory
https://www.watchguard.com/wgrd-psirt/advisory/wg…	vendor-advisory

Impacted products

2 products

Vendor	Product	Version	CPE status
WatchGuard	SSO Client	Affected: 12.0 , ≤ 12.7 (semver) cpe:2.3:a:watchguard:sso_client::::::::
watchguard	single_sign-on_client	Affected: 0 , ≤ 12.7 (semver) cpe:2.3:a:watchguard:single_sign-on_client::::::windows::*

Date Public

2024-09-25 11:22

Show details on NVD website

JSON

To clipboard

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              "cpe:2.3:a:watchguard:single_sign-on_client:*:*:*:*:*:windows:*:*"
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            "vendor": "watchguard",
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                "version": "0",
                "versionType": "semver"
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        "metrics": [
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                  },
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                "timestamp": "2024-09-25T13:44:40.431549Z",
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        }
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}

FKIE_CVE-2024-6594

Vulnerability from fkie_nvd - Published: 2024-09-25 12:15 - Updated: 2026-08-08 00:16

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

References

URL	Tags
5d1c2695-1a31-4499-88ae-e847036fd7e3	https://psirt.watchguard.com/CVE-2024-6594
5d1c2695-1a31-4499-88ae-e847036fd7e3	https://www.redteam-pentesting.de/advisories/rt-sa-2024-008
5d1c2695-1a31-4499-88ae-e847036fd7e3	https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00016	Vendor Advisory

Impacted products

	Vendor	Product	Version
	watchguard	single_sign-on_client	*

JSON

To clipboard

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  "lastModified": "2026-08-08T00:16:33.567",
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              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-25T13:44:40.431549Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-09-25T12:15:05.397",
  "references": [
    {
      "source": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
      "url": "https://psirt.watchguard.com/CVE-2024-6594"
    },
    {
      "source": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
      "url": "https://www.redteam-pentesting.de/advisories/rt-sa-2024-008"
    },
    {
      "source": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00016"
    }
  ],
  "sourceIdentifier": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-755"
        }
      ],
      "source": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-755"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-4H99-X2CV-Q42Q

Vulnerability from github – Published: 2024-09-25 12:30 – Updated: 2026-08-08 00:31

Details

This issue affects Single Sign-On Client: through 12.7.

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2024-6594"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-755"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-09-25T12:15:05Z",
    "severity": "HIGH"
  },
  "details": "Improper Handling of Exceptional Conditions vulnerability in the WatchGuard Single Sign-On Client on Windows causes the client to crash while handling malformed commands. An attacker with network access to the client could create a denial of service condition for the Single Sign-On service by repeatedly issuing malformed commands.\n\nThis issue affects Single Sign-On Client: through 12.7.",
  "id": "GHSA-4h99-x2cv-q42q",
  "modified": "2026-08-08T00:31:09Z",
  "published": "2024-09-25T12:30:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-6594"
    },
    {
      "type": "WEB",
      "url": "https://psirt.watchguard.com/CVE-2024-6594"
    },
    {
      "type": "WEB",
      "url": "https://www.redteam-pentesting.de/advisories/rt-sa-2024-008"
    },
    {
      "type": "WEB",
      "url": "https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00016"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

CVE-2024-6594 (GCVE-0-2024-6594)

FKIE_CVE-2024-6594

GHSA-4H99-X2CV-Q42Q

Tags

Sightings

Nomenclature