CVE-2020-16020 (GCVE-0-2020-16020)

Vulnerability from cvelistv5 – Published: 2021-01-08 17:51 – Updated: 2024-08-04 13:30
VLAI
Summary
Inappropriate implementation in cryptohome in Google Chrome on ChromeOS prior to 87.0.4280.66 allowed a remote attacker who had compromised the browser process to bypass discretionary access control via a malicious file.
Severity
No CVSS data available.
CWE
  • Inappropriate implementation
Assigner
References
Impacted products
Vendor Product Version
Google Chrome Affected: unspecified , < 87.0.4280.66 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:30:23.525Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_17.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://crbug.com/1139411"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Chrome",
          "vendor": "Google",
          "versions": [
            {
              "lessThan": "87.0.4280.66",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Inappropriate implementation in cryptohome in Google Chrome on ChromeOS prior to 87.0.4280.66 allowed a remote attacker who had compromised the browser process to bypass discretionary access control via a malicious file."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Inappropriate implementation",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-08T17:51:18.000Z",
        "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
        "shortName": "Chrome"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_17.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://crbug.com/1139411"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "chrome-cve-admin@google.com",
          "ID": "CVE-2020-16020",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Chrome",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "87.0.4280.66"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Google"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Inappropriate implementation in cryptohome in Google Chrome on ChromeOS prior to 87.0.4280.66 allowed a remote attacker who had compromised the browser process to bypass discretionary access control via a malicious file."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Inappropriate implementation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_17.html",
              "refsource": "MISC",
              "url": "https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_17.html"
            },
            {
              "name": "https://crbug.com/1139411",
              "refsource": "MISC",
              "url": "https://crbug.com/1139411"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
    "cveId": "CVE-2020-16020",
    "datePublished": "2021-01-08T17:51:18.000Z",
    "dateReserved": "2020-07-27T00:00:00.000Z",
    "dateUpdated": "2024-08-04T13:30:23.525Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-16020",
      "date": "2026-05-30",
      "epss": "0.00191",
      "percentile": "0.4082"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-16020\",\"sourceIdentifier\":\"chrome-cve-admin@google.com\",\"published\":\"2021-01-08T19:15:12.927\",\"lastModified\":\"2024-11-21T05:06:41.393\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Inappropriate implementation in cryptohome in Google Chrome on ChromeOS prior to 87.0.4280.66 allowed a remote attacker who had compromised the browser process to bypass discretionary access control via a malicious file.\"},{\"lang\":\"es\",\"value\":\"Una implementaci\u00f3n inapropiada en cryptohome en Google Chrome en ChromeOS versiones anteriores a 87.0.4280.66, permiti\u00f3 a un atacante remoto que hab\u00eda comprometido el proceso del navegador omitir el control de acceso discrecional por medio de un archivo malicioso\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"87.0.4280.66\",\"matchCriteriaId\":\"56F7F1FE-1A2F-4DE7-B088-3B1356C02DE0\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:google:chrome_os:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D32ACF6F-5FF7-4815-8EAD-4719F5FC9B79\"}]}]}],\"references\":[{\"url\":\"https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_17.html\",\"source\":\"chrome-cve-admin@google.com\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://crbug.com/1139411\",\"source\":\"chrome-cve-admin@google.com\",\"tags\":[\"Permissions Required\",\"Vendor Advisory\"]},{\"url\":\"https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_17.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://crbug.com/1139411\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Permissions Required\",\"Vendor Advisory\"]}]}}"
  }
}


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.