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VAR-202205-1577

Vulnerability from variot - Updated: 2024-11-23 22:04

A weak default password for the serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device access to an attacker with physical access

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CVE-2021-42849 (GCVE-0-2021-42849)

Vulnerability from cvelistv5 – Published: 2022-05-18 16:10 – Updated: 2024-08-04 03:38

Summary

A weak default password for the serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device access to an attacker with physical access.

Severity ?

6.8 (Medium)


                        
                          CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-798 - Use of Hard-coded Credentials

Assigner

lenovo

References

URL

Tags

https://iknow.lenovo.com.cn/detail/dc_200017.html

x_refsource_MISC

Impacted products

Vendor

Product

Version

Lenovo

Personal Cloud Storage A1

Affected: unspecified , < 5.3.6.a1 (custom)

Lenovo	Personal Cloud Storage T1	Affected: unspecified , < 5.3.6.t1 (custom)
Lenovo	Personal Cloud Storage X1	Affected: unspecified , < 5.3.8.x1 (custom)
Lenovo	Personal Cloud Storage T2	Affected: unspecified , < 5.3.8.t2 (custom)
Lenovo	Personal Cloud Storage T2Pro	Affected: unspecified , < 5.3.7.t2-pro (custom)

Credits

Lenovo thanks Kais and KT of 360 Vulcan Team for reporting this issue.

Show details on NVD website

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              "value": "A weak default password for the serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device access to an attacker with physical access."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-798 Use of Hard-coded Credentials"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://iknow.lenovo.com.cn/detail/dc_200017.html",
              "refsource": "MISC",
              "url": "https://iknow.lenovo.com.cn/detail/dc_200017.html"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Update to the Lenovo Personal Cloud Storage device firmware listed in the product table  in LEN-73439."
          }
        ],
        "source": {
          "advisory": "LEN-73439",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "da227ddf-6e25-4b41-b023-0f976dcaca4b",
    "assignerShortName": "lenovo",
    "cveId": "CVE-2021-42849",
    "datePublished": "2022-05-18T16:10:28.000Z",
    "dateReserved": "2021-10-22T00:00:00.000Z",
    "dateUpdated": "2024-08-04T03:38:50.219Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

VAR-202205-1577

CVE-2021-42849 (GCVE-0-2021-42849)

Tags

Sightings

Nomenclature