Vulnerability-Lookup

GHSA-9C77-73HR-45RF

Vulnerability from github – Published: 2026-03-31 21:31 – Updated: 2026-03-31 21:31

Details

The MS27102A Remote Spectrum Monitor is vulnerable to an authentication bypass that allows unauthorized users to access and manipulate its management interface. Because the device provides no mechanism to enable or configure authentication, the issue is inherent to its design rather than a deployment error.

Severity ?

9.3 (Critical)


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

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-3356"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-306"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-31T19:16:28Z",
    "severity": "CRITICAL"
  },
  "details": "The MS27102A Remote Spectrum Monitor is vulnerable to an authentication bypass that allows unauthorized users to access and manipulate its management interface. Because the device provides no mechanism to enable or configure authentication, the issue is inherent to its design rather than a deployment error.",
  "id": "GHSA-9c77-73hr-45rf",
  "modified": "2026-03-31T21:31:18Z",
  "published": "2026-03-31T21:31:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3356"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-090-01"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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"
    }
  ]
}

CVE-2026-3356 (GCVE-0-2026-3356)

Vulnerability from cvelistv5 – Published: 2026-03-31 18:40 – Updated: 2026-04-01 13:43

Title

Missing Authentication for Critical Function vulnerability in Anritsu Remote Spectrum Monitor

Summary

Severity ?

9.3 (Critical)


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

CWE

CWE-306 - Missing authentication for critical function

Assigner

icscert

References

URL

Tags

https://www.cisa.gov/news-events/ics-advisories/i…

government-resource

Impacted products

Vendor

Product

Version

Anritsu

Remote Spectrum Monitor MS27100A

Affected: All versions (custom)

Anritsu	Remote Spectrum Monitor MS27101A	Affected: All versions (custom)
Anritsu	Remote Spectrum Monitor MS27102A	Affected: All versions (custom)
Anritsu	Remote Spectrum Monitor MS27103A	Affected: All versions (custom)

Credits

Souvik Kandar

Show details on NVD website

JSON

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  "containers": {
    "adp": [
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        "metrics": [
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                "id": "CVE-2026-3356",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-01T13:43:38.631220Z",
                "version": "2.0.3"
              },
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        },
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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-9C77-73HR-45RF

CVE-2026-3356 (GCVE-0-2026-3356)

Tags

Sightings

Nomenclature