FKIE_CVE-2024-20821

Vulnerability from fkie_nvd - Published: 2024-05-07 05:15 - Updated: 2026-06-17 07:07
Severity
4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Summary
A vulnerability possible to reconfigure OTP allows local attackers to transit RMA(Return Merchandise Authorization) mode, which disables security features. This attack needs additional privilege to control TEE.
References
mobile.security@samsung.comhttps://security.samsungmobile.com/serviceWeb.smsb?year=2024&month=05
af854a3a-2127-422b-91ae-364da2661108https://security.samsungmobile.com/serviceWeb.smsb?year=2024&month=05
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "product": "Samsung Mobile Devices",
          "vendor": "Samsung Mobile",
          "versions": [
            {
              "status": "unaffected",
              "version": "Galaxy S24"
            }
          ]
        }
      ],
      "source": "mobile.security@samsung.com"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:h:samsung:exynos_1380:-:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "exynos_1380",
          "vendor": "samsung",
          "versions": [
            {
              "status": "affected",
              "version": "-"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:h:samsung:exynos_1330:-:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "exynos_1330",
          "vendor": "samsung",
          "versions": [
            {
              "status": "affected",
              "version": "-"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:h:samsung:exynos2400:-:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "exynos2400",
          "vendor": "samsung",
          "versions": [
            {
              "status": "affected",
              "version": "-"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability possible to reconfigure OTP allows local attackers to transit RMA(Return Merchandise Authorization) mode, which disables security features. This attack needs additional privilege to control TEE."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad posible para reconfigurar OTP permite a atacantes locales transitar el modo RMA (Autorizaci\u00f3n de devoluci\u00f3n de mercanc\u00eda), que desactiva las funciones de seguridad. Este ataque necesita privilegios adicionales para controlar TEE."
    }
  ],
  "id": "CVE-2024-20821",
  "lastModified": "2026-06-17T07:07:57.497",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 3.6,
        "source": "mobile.security@samsung.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-20821",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-05-07T14:49:29.528472Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-05-07T05:15:48.790",
  "references": [
    {
      "source": "mobile.security@samsung.com",
      "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2024\u0026month=05"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2024\u0026month=05"
    }
  ],
  "sourceIdentifier": "mobile.security@samsung.com",
  "vulnStatus": "Deferred"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.