« Back to list

CVE-2020-8342

Status: ModifiedHigh (7)—

A race condition vulnerability was reported in Lenovo System Update prior to version 5.07.0106 that could allow escalation of privilege.

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)

Lenovo — System Update

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2020-8342",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@lenovo.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.3,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.3
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@lenovo.com",
      "affectedData": [
        {
          "vendor": "Lenovo",
          "product": "System Update",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "5.07.0106",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-09-15T15:15:14.293",
  "references": [
    {
      "url": "https://support.lenovo.com/us/en/product_security/LEN-42150",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@lenovo.com"
    },
    {
      "url": "https://support.lenovo.com/us/en/product_security/LEN-42150",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@lenovo.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A race condition vulnerability was reported in Lenovo System Update prior to version 5.07.0106 that could allow escalation of privilege."
    },
    {
      "lang": "es",
      "value": "Se reportó una vulnerabilidad de condición de carrera en Lenovo System Update versiones anteriores a 5.07.0106, que podría permitir una escalada de privilegios"
    }
  ],
  "lastModified": "2026-06-17T03:26:18.297",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:lenovo:system_update:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "15994ECB-9409-493F-83BE-B0501816EF32",
              "versionEndExcluding": "5.07.0106"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@lenovo.com"
}