FKIE_CVE-2021-20049

Vulnerability from fkie_nvd - Published: 2021-12-23 02:15 - Updated: 2026-06-17 03:33
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts 10.2.1.2-24sv, 10.2.0.8-37sv and earlier 10.x versions.
References
PSIRT@sonicwall.comhttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0030Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0030Vendor Advisory
Impacted products
Vendor Product Version
sonicwall sma_100_firmware *
sonicwall sma_100_firmware 10.2.0.8-37sv
sonicwall sma_100_firmware 10.2.1.2-24sv
sonicwall sma100 -
sonicwall sma_200_firmware *
sonicwall sma_200_firmware 10.2.0.8-37sv
sonicwall sma_200_firmware 10.2.1.2-24sv
sonicwall sma200 -
sonicwall sma_210_firmware *
sonicwall sma_210_firmware 10.2.0.8-37sv
sonicwall sma_210_firmware 10.2.1.2-24sv
sonicwall sma210 -
sonicwall sma_400_firmware *
sonicwall sma_400_firmware 10.2.0.8-37sv
sonicwall sma_400_firmware 10.2.1.2-24sv
sonicwall sma400 -
sonicwall sma_410_firmware *
sonicwall sma_410_firmware 10.2.0.8-37sv
sonicwall sma_410_firmware 10.2.1.2-24sv
sonicwall sma410 -
sonicwall sma_500v_firmware *
sonicwall sma_500v_firmware 10.2.0.8-37sv
sonicwall sma_500v_firmware 10.2.1.2-24sv
sonicwall sma500v -
To clipboard 

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            }
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    }
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts 10.2.1.2-24sv, 10.2.0.8-37sv and earlier 10.x versions."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la API de cambio de contrase\u00f1a de SonicWall SMA100, permite a un atacante remoto no autenticado llevar a cabo una enumeraci\u00f3n de nombres de usuario de SMA100 bas\u00e1ndose en las respuestas del servidor. Esta vulnerabilidad afecta a las versiones 10.2.1.2-24sv, 10.2.0.8-37sv y versiones anteriores 10.x"
    }
  ],
  "id": "CVE-2021-20049",
  "lastModified": "2026-06-17T03:33:12.683",
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        "baseSeverity": "MEDIUM",
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
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        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
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        "obtainUserPrivilege": false,
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          "baseScore": 7.5,
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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  "published": "2021-12-23T02:15:06.583",
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      "source": "PSIRT@sonicwall.com",
      "tags": [
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      "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0030"
    },
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}



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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.

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