FKIE_CVE-2021-30648

Vulnerability from fkie_nvd - Published: 2021-06-30 11:15 - Updated: 2026-06-17 03:50
Summary
The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to an authentication bypass vulnerability. An unauthenticated attacker can execute arbitrary CLI commands, view/modify the appliance configuration and policy, and shutdown/restart the appliance.
Impacted products
Vendor Product Version
broadcom symantec_proxysg *
broadcom symantec_proxysg *
broadcom symantec_proxysg *
broadcom symantec_proxysg *
broadcom symantec_proxysg *
broadcom symantec_advanced_secure_gateway_s200-30_firmware *
broadcom symantec_advanced_secure_gateway_s200-30_firmware *
broadcom symantec_advanced_secure_gateway_s200-30_firmware *
broadcom symantec_advanced_secure_gateway_s200-30_firmware *
broadcom symantec_advanced_secure_gateway_s200-30 -
broadcom symantec_advanced_secure_gateway_s200-40_firmware *
broadcom symantec_advanced_secure_gateway_s200-40_firmware *
broadcom symantec_advanced_secure_gateway_s200-40_firmware *
broadcom symantec_advanced_secure_gateway_s200-40_firmware *
broadcom symantec_advanced_secure_gateway_s200-40 -
broadcom symantec_advanced_secure_gateway_s400-20_firmware *
broadcom symantec_advanced_secure_gateway_s400-20_firmware *
broadcom symantec_advanced_secure_gateway_s400-20_firmware *
broadcom symantec_advanced_secure_gateway_s400-20_firmware *
broadcom symantec_advanced_secure_gateway_s400-20 -
broadcom symantec_advanced_secure_gateway_s400-30_firmware *
broadcom symantec_advanced_secure_gateway_s400-30_firmware *
broadcom symantec_advanced_secure_gateway_s400-30_firmware *
broadcom symantec_advanced_secure_gateway_s400-30_firmware *
broadcom symantec_advanced_secure_gateway_s400-30 -
broadcom symantec_advanced_secure_gateway_s400-40_firmware *
broadcom symantec_advanced_secure_gateway_s400-40_firmware *
broadcom symantec_advanced_secure_gateway_s400-40_firmware *
broadcom symantec_advanced_secure_gateway_s400-40_firmware *
broadcom symantec_advanced_secure_gateway_s400-40 -
broadcom symantec_advanced_secure_gateway_500-10_firmware *
broadcom symantec_advanced_secure_gateway_500-10_firmware *
broadcom symantec_advanced_secure_gateway_500-10_firmware *
broadcom symantec_advanced_secure_gateway_500-10_firmware *
broadcom symantec_advanced_secure_gateway_500-10 -
broadcom symantec_advanced_secure_gateway_s500-20_firmware *
broadcom symantec_advanced_secure_gateway_s500-20_firmware *
broadcom symantec_advanced_secure_gateway_s500-20_firmware *
broadcom symantec_advanced_secure_gateway_s500-20_firmware *
broadcom symantec_advanced_secure_gateway_s500-20 -

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          "vendor": "n/a",
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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to an authentication bypass vulnerability. An unauthenticated attacker can execute arbitrary CLI commands, view/modify the appliance configuration and policy, and shutdown/restart the appliance."
    },
    {
      "lang": "es",
      "value": "Las consolas de administraci\u00f3n web Symantec Advanced Secure Gateway (ASG) y ProxySG son susceptibles a una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n. Un atacante no autenticado puede ejecutar comandos CLI arbitrarios, ver/modificar la configuraci\u00f3n y la pol\u00edtica del dispositivo, y apagar/reiniciar el dispositivo"
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  "id": "CVE-2021-30648",
  "lastModified": "2026-06-17T03:50:37.210",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "HIGH",
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          "accessVector": "NETWORK",
          "authentication": "NONE",
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2021-06-30T11:15:08.143",
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      "source": "secure@symantec.com",
      "tags": [
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      "url": "https://support.broadcom.com/security-advisory/content/security-advisories/0/SYMSA18331"
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  "vulnStatus": "Modified",
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          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Tags
Taxonomy of the tags.


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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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Detection rules are retrieved from Rulezet.

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