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CVE-2021-21883

Status: ModifiedCritical (9.9)—

An OS command injection vulnerability exists in the Web Manager Diagnostics: Ping functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Lantronix — Premierwave 2050 Firmware

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-21883",
  "cveTags": [],
  "metrics": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
          "authentication": "SINGLE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
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  "published": "2021-12-22T19:15:09.123",
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    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de inyección de comandos en el Sistema Operativo en la funcionalidad Diagnostics: Ping del Administrador Web de Lantronix PremierWave versión 2050 8.9.0.0R4. Una petición HTTP especialmente diseñada puede conllevar a una ejecución de un comando arbitrario. Un atacante puede realizar una petición HTTP autenticada para desencadenar esta vulnerabilidad"
    }
  ],
  "lastModified": "2026-06-17T03:36:17.593",
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}