Vulnerability-Lookup

GHSA-2J5Q-9JW8-9QJ5

Vulnerability from github – Published: 2026-07-01 18:31 – Updated: 2026-07-01 18:31

Details

A vulnerability was discovered on Stormshield Network Security 4.3.0 to 4.3.41 (included), 4.4.0 to 4.8.15 (included) , 5.0.2 EA to 5.0.5 (included)

A revoked client certificate can still be used to authenticate to the captive‑admin portal, allowing an attacker who possesses the revoked certificate to gain administrative access.

Severity

4.3 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-8480"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-01T16:16:53Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability was discovered on Stormshield Network Security 4.3.0\u00a0 to 4.3.41 (included), 4.4.0 to 4.8.15 (included) , 5.0.2 EA to 5.0.5 (included)\n\n\n\nA revoked client certificate can still be used to authenticate to the captive\u2011admin portal, allowing an attacker who possesses the revoked certificate to gain administrative access.",
  "id": "GHSA-2j5q-9jw8-9qj5",
  "modified": "2026-07-01T18:31:51Z",
  "published": "2026-07-01T18:31:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8480"
    },
    {
      "type": "WEB",
      "url": "https://advisories.stormshield.eu/2026-002"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-8480 (GCVE-0-2026-8480)

Vulnerability from cvelistv5 – Published: 2026-07-01 14:52 – Updated: 2026-07-01 15:45

Title

Connection possible to the Administration portal with a revoked certificate

Summary

A vulnerability was discovered on Stormshield Network Security 4.3.0 to 4.3.41 (included), 4.4.0 to 4.8.15 (included) , 5.0.2 EA to 5.0.5 (included) A revoked client certificate can still be used to authenticate to the captive‑admin portal, allowing an attacker who possesses the revoked certificate to gain administrative access.

Severity

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-01 15:44 UTC

CWE

CWE-295 - Improper certificate validation

Assigner

airbus CNA under the mitre root

CNA scorecard C 70/100 over 14 records in the last 180 days details

References

1 reference

URL	Tags
https://advisories.stormshield.eu/2026-002/

Impacted products

1 product

Vendor	Product	Version
Stormshield	Stormshield Network Security	Affected: 4.3.0 , ≤ 4.3.41 (semver) Affected: 4.4.0 , ≤ 4.8.15 (semver) Affected: 5.0.2 EA , ≤ 5.0.5 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-8480",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-01T15:44:58.262034Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-01T15:45:32.124Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Stormshield Network Security",
          "vendor": "Stormshield",
          "versions": [
            {
              "lessThanOrEqual": "4.3.41",
              "status": "affected",
              "version": "4.3.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.8.15",
              "status": "affected",
              "version": "4.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.0.5",
              "status": "affected",
              "version": "5.0.2 EA",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eA vulnerability was discovered on Stormshield Network Security 4.3.0\u0026nbsp; to 4.3.41 (included), 4.4.0 to 4.8.15 (included) , 5.0.2 EA to 5.0.5 (included)\u003c/p\u003e\u003cp\u003eA revoked client certificate can still be used to authenticate to the captive\u2011admin portal, allowing an attacker who possesses the revoked certificate to gain administrative access.\u003c/p\u003e\u003cbr\u003e"
            }
          ],
          "value": "A vulnerability was discovered on Stormshield Network Security 4.3.0\u00a0 to 4.3.41 (included), 4.4.0 to 4.8.15 (included) , 5.0.2 EA to 5.0.5 (included)\n\n\n\nA revoked client certificate can still be used to authenticate to the captive\u2011admin portal, allowing an attacker who possesses the revoked certificate to gain administrative access."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-295",
              "description": "CWE-295 Improper certificate validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-01T14:52:12.815Z",
        "orgId": "24a3c815-5f22-4d74-967a-30958d6466f4",
        "shortName": "airbus"
      },
      "references": [
        {
          "url": "https://advisories.stormshield.eu/2026-002/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "The following updates fix this vulnerability:\u003cbr\u003e\u003cul\u003e\u003cli\u003eSNS 5.0.6\n\u003c/li\u003e\u003cli\u003eSNS 4.8.16\n\u003c/li\u003e\u003cli\u003eSNS 4.3.42\u003c/li\u003e\u003c/ul\u003e"
            }
          ],
          "value": "The following updates fix this vulnerability:\n  *  SNS 5.0.6\n\n  *  SNS 4.8.16\n\n  *  SNS 4.3.42"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Connection possible to the Administration portal with a revoked certificate",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "24a3c815-5f22-4d74-967a-30958d6466f4",
    "assignerShortName": "airbus",
    "cveId": "CVE-2026-8480",
    "datePublished": "2026-07-01T14:52:12.815Z",
    "dateReserved": "2026-05-13T13:48:21.232Z",
    "dateUpdated": "2026-07-01T15:45:32.124Z",
    "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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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.

Action not permitted