Vulnerability-Lookup

GHSA-CPW3-5JQ9-5GF5

Vulnerability from github – Published: 2026-09-01 21:31 – Updated: 2026-09-04 15:36

Details

A signature verification bypass vulnerability exists in the command line interface of AOS-CX. Successful exploitation could allow an authenticated malicious actor with administrative privileges to execute arbitrary code on the underlying operating system, when certain pre-conditions outside of the attackerâ€™s control are met.

Severity

7.9 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-73776"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-347"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-01T21:18:44Z",
    "severity": "HIGH"
  },
  "details": "A signature verification bypass vulnerability exists in the command line interface of AOS-CX. Successful exploitation could allow an authenticated malicious actor with administrative privileges to execute arbitrary code on the underlying operating system, when certain pre-conditions outside of the attacker\u00e2\u20ac\u2122s control are met.",
  "id": "GHSA-cpw3-5jq9-5gf5",
  "modified": "2026-09-04T15:36:01Z",
  "published": "2026-09-01T21:31:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73776"
    },
    {
      "type": "WEB",
      "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us\u0026docLocale=en_US"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-73776 (GCVE-0-2026-73776)

Vulnerability from cvelistv5 – Published: 2026-09-01 20:28 – Updated: 2026-09-03 16:32

Title

Authenticated Signature Verification Bypass Leading to Arbitrary Code Execution in AOS-CX

Summary

Severity

7.9 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-03 03:55 UTC

CWE

CWE-347 - Improper Verification of Cryptographic Signature

Assigner

hpe mitre root

References

1 reference

URL	Tags
https://support.hpe.com/hpesc/public/docDisplay?d…

Impacted products

1 product

Vendor	Product	Version
Hewlett Packard Enterprise (HPE)	AOS-CX	Affected: 10.18.0000 , ≤ 10.18.0001 (semver) Affected: 10.17.0000 , ≤ 10.17.1021 (semver) Affected: 10.16.0000 , ≤ 10.16.1051 (semver) Affected: 10.13.0000 , ≤ 10.13.1180 (semver) Affected: 10.10.0000 , ≤ 10.10.1180 (semver)

Credits

This vulnerability was discovered by internal security research at HPE Networking.

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-73776",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-03T03:55:57.258388Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-347",
                "description": "CWE-347 Improper Verification of Cryptographic Signature",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-03T16:32:15.185Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "AOS-CX",
          "vendor": "Hewlett Packard Enterprise (HPE)",
          "versions": [
            {
              "lessThanOrEqual": "10.18.0001",
              "status": "affected",
              "version": "10.18.0000",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.17.1021",
              "status": "affected",
              "version": "10.17.0000",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.16.1051",
              "status": "affected",
              "version": "10.16.0000",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.13.1180",
              "status": "affected",
              "version": "10.13.0000",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.10.1180",
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              "version": "10.10.0000",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
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          "lang": "en",
          "type": "reporter",
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          "value": "A signature verification bypass vulnerability exists in the command line interface of AOS-CX. Successful exploitation could allow an authenticated malicious actor with administrative privileges to execute arbitrary code on the underlying operating system, when certain pre-conditions outside of the attacker\u00e2\u20ac\u2122s control are met."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 7.9,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
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      "providerMetadata": {
        "dateUpdated": "2026-09-01T20:28:50.551Z",
        "orgId": "eb103674-0d28-4225-80f8-39fb86215de0",
        "shortName": "hpe"
      },
      "references": [
        {
          "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us\u0026docLocale=en_US"
        }
      ],
      "source": {
        "advisory": "HPESBNW05134",
        "discovery": "INTERNAL"
      },
      "title": "Authenticated Signature Verification Bypass Leading to Arbitrary Code Execution in AOS-CX",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "eb103674-0d28-4225-80f8-39fb86215de0",
    "assignerShortName": "hpe",
    "cveId": "CVE-2026-73776",
    "datePublished": "2026-09-01T20:28:50.551Z",
    "dateReserved": "2026-08-13T16:39:09.490Z",
    "dateUpdated": "2026-09-03T16:32:15.185Z",
    "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.

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

GHSA-CPW3-5JQ9-5GF5

CVE-2026-73776 (GCVE-0-2026-73776)

Tags

Sightings

Nomenclature