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CVE-2021-28485

Status: ModifiedMedium (4.3)—

In Ericsson Mobile Switching Center Server (MSC-S) before IS 3.1 CP22, the SIS web application allows relative path traversal via a specific parameter in the https request after authentication, which allows access to files on the system that are not intended to be accessible via the web application.

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-2021-28485",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
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              "technicalImpact": "partial"
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          ],
          "version": "2.0.3",
          "timestamp": "2024-09-25T19:56:28.238235Z"
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
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  "published": "2023-09-14T15:15:07.827",
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      "lang": "en",
      "value": "In Ericsson Mobile Switching Center Server (MSC-S) before IS 3.1 CP22, the SIS web application allows relative path traversal via a specific parameter in the https request after authentication, which allows access to files on the system that are not intended to be accessible via the web application."
    },
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      "lang": "es",
      "value": "En Ericsson Mobile Switching Center Server (MSC-S) anterior a IS 3.1 CP22, la aplicación web SIS permite el Path Traversal a través de un parámetro específico en la solicitud https después de la autenticación, lo que permite el acceso a archivos en el sistema a los que no se pretende que sean accesibles a través de la aplicación web."
    }
  ],
  "lastModified": "2026-06-17T03:46:27.053",
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