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CVE-2020-28993

Status: ModifiedHigh (7.5)—

A Directory Traversal vulnerability exists in ATX miniCMTS200a Broadband Gateway through 2.0 and Pico CMTS through 2.0. Successful exploitation of this vulnerability would allow an unauthenticated attacker to retrieve administrator credentials by sending a malicious POST request.

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)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2020-28993",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
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          "integrityImpact": "NONE",
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  "affected": [
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      "affectedData": [
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  "published": "2020-12-01T16:15:11.067",
  "references": [
    {
      "url": "https://atx.com/products/commercial-services-gateways/minicmts200a-broadband-gateway/",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-22"
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  ],
  "descriptions": [
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      "lang": "en",
      "value": "A Directory Traversal vulnerability exists in ATX miniCMTS200a Broadband Gateway through 2.0 and Pico CMTS through 2.0. Successful exploitation of this vulnerability would allow an unauthenticated attacker to retrieve administrator credentials by sending a malicious POST request."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de Salto de Directorio en ATX miniCMTS200a Broadband Gateway versiones hasta 2.0 y Pico CMTS versiones hasta 2.0. Una explotación con éxito de esta vulnerabilidad permitiría a un atacante no autenticado recuperar unas credenciales de administrador mediante el envío de una petición POST maliciosa"
    }
  ],
  "lastModified": "2026-06-17T03:10:56.880",
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    {
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