CVE-2021-42852 (GCVE-0-2021-42852)

Vulnerability from cvelistv5 – Published: 2022-05-18 16:10 – Updated: 2024-08-04 03:38
VLAI
Summary
A command injection vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an authenticated user to execute operating system commands by sending a crafted packet to the device.
CWE
  • CWE-78 - OS Command Injection
Assigner
lenovo CNA under the mitre root
CNA scorecard B 83/100 over 41 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Lenovo Personal Cloud Storage A1 Affected: unspecified , < 5.3.6.a1 (custom)
guessed Create a notification for this product.
Lenovo Personal Cloud Storage T1 Affected: unspecified , < 5.3.6.t1 (custom)
guessed Create a notification for this product.
Lenovo Personal Cloud Storage X1 Affected: unspecified , < 5.3.8.x1 (custom)
guessed Create a notification for this product.
Lenovo Personal Cloud Storage T2 Affected: unspecified , < 5.3.8.t2 (custom)
guessed Create a notification for this product.
Lenovo Personal Cloud Storage T2Pro Affected: unspecified , < 5.3.7.t2-pro (custom)
guessed Create a notification for this product.
Show details on NVD website

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                  {
                    "criteria": "cpe:2.3:h:lenovo:t2pro:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E31C853A-15FD-4D72-BA16-395A282E1E6B",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A command injection vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an authenticated user to execute operating system commands by sending a crafted packet to the device."
          },
          {
            "lang": "es",
            "value": "Se inform\u00f3 de una vulnerabilidad de inyecci\u00f3n de comandos en algunos dispositivos Lenovo Personal Cloud Storage que podr\u00eda permitir a un usuario autenticado ejecutar comandos del sistema operativo mediante el env\u00edo de un paquete dise\u00f1ado al dispositivo"
          }
        ],
        "id": "CVE-2021-42852",
        "lastModified": "2026-06-17T04:10:12.417",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "ADJACENT_NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 7.7,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:A/AC:L/Au:S/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 5.1,
              "impactScore": 10.0,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.0,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.1,
              "impactScore": 5.9,
              "source": "psirt@lenovo.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.0,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.1,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2022-05-18T16:15:08.417",
        "references": [
          {
            "source": "psirt@lenovo.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://iknow.lenovo.com.cn/detail/dc_200017.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://iknow.lenovo.com.cn/detail/dc_200017.html"
          }
        ],
        "sourceIdentifier": "psirt@lenovo.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-78"
              }
            ],
            "source": "psirt@lenovo.com",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-78"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T13:25:17+00:00",
      "cve": "CVE-2021-42852",
      "id": "CVE-2021-42852",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-42852",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-42852.json",
      "version": "3"
    }
  }
}



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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.

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.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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