CVE-2020-4976 (GCVE-0-2020-4976)

Vulnerability from cvelistv5 – Published: 2021-03-11 15:30 – Updated: 2024-09-16 19:20
VLAI
Summary
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local user to read and write specific files due to weak file permissions. IBM X-Force ID: 192469.
Severity
5.1 (Medium)
CVSS:3.0/UI:N/AC:L/AV:L/PR:N/C:L/A:N/I:L/S:U/RC:C/RL:O/E:U
CWE
  • File Manipulation
Assigner
ibm
References
Impacted products
Vendor Product Version
IBM DB2 for Linux, UNIX and Windows Affected: 10.5
Affected: 10.1
Affected: 9.7
Affected: 11.1
Affected: 11.5
Create a notification for this product.
Date Public
2021-03-10 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:14:59.312Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.ibm.com/support/pages/node/6427859"
          },
          {
            "name": "ibm-db2-cve20204976-file-write (192469)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/192469"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210409-0003/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "DB2 for Linux, UNIX and Windows",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "10.5"
            },
            {
              "status": "affected",
              "version": "10.1"
            },
            {
              "status": "affected",
              "version": "9.7"
            },
            {
              "status": "affected",
              "version": "11.1"
            },
            {
              "status": "affected",
              "version": "11.5"
            }
          ]
        }
      ],
      "datePublic": "2021-03-10T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local user to read and write specific files due to weak file permissions. IBM X-Force ID: 192469."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 4.5,
            "temporalSeverity": "MEDIUM",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/UI:N/AC:L/AV:L/PR:N/C:L/A:N/I:L/S:U/RC:C/RL:O/E:U",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "File Manipulation",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-04-09T08:06:24.000Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.ibm.com/support/pages/node/6427859"
        },
        {
          "name": "ibm-db2-cve20204976-file-write (192469)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/192469"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20210409-0003/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@us.ibm.com",
          "DATE_PUBLIC": "2021-03-10T00:00:00",
          "ID": "CVE-2020-4976",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "DB2 for Linux, UNIX and Windows",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "10.5"
                          },
                          {
                            "version_value": "10.1"
                          },
                          {
                            "version_value": "9.7"
                          },
                          {
                            "version_value": "11.1"
                          },
                          {
                            "version_value": "11.5"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "IBM"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local user to read and write specific files due to weak file permissions. IBM X-Force ID: 192469."
            }
          ]
        },
        "impact": {
          "cvssv3": {
            "BM": {
              "A": "N",
              "AC": "L",
              "AV": "L",
              "C": "L",
              "I": "L",
              "PR": "N",
              "S": "U",
              "UI": "N"
            },
            "TM": {
              "E": "U",
              "RC": "C",
              "RL": "O"
            }
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "File Manipulation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.ibm.com/support/pages/node/6427859",
              "refsource": "CONFIRM",
              "title": "IBM Security Bulletin 6427859 (DB2 for Linux, UNIX and Windows)",
              "url": "https://www.ibm.com/support/pages/node/6427859"
            },
            {
              "name": "ibm-db2-cve20204976-file-write (192469)",
              "refsource": "XF",
              "title": "X-Force Vulnerability Report",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/192469"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210409-0003/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20210409-0003/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2020-4976",
    "datePublished": "2021-03-11T15:30:25.232Z",
    "dateReserved": "2019-12-30T00:00:00.000Z",
    "dateUpdated": "2024-09-16T19:20:36.208Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-4976",
      "date": "2026-07-16",
      "epss": "0.00339",
      "percentile": "0.26104"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-4976\",\"sourceIdentifier\":\"psirt@us.ibm.com\",\"published\":\"2021-03-11T16:15:12.737\",\"lastModified\":\"2024-11-21T05:33:29.933\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local user to read and write specific files due to weak file permissions. IBM X-Force ID: 192469.\"},{\"lang\":\"es\",\"value\":\"IBM DB2 para Linux, UNIX y Windows (incluye DB2 Connect Server) versiones 9.7, 10.1, 10.5, 11.1 y 11.5, podr\u00edan permitir a un usuario local leer y escribir archivos espec\u00edficos debido a permisos de archivo d\u00e9biles. IBM X-Force ID: 192469\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N\",\"baseScore\":4.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":2.5}],\"cvssMetricV30\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N\",\"baseScore\":5.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.5,\"impactScore\":2.5}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:P/A:N\",\"baseScore\":3.6,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-276\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"11.1.0.0\",\"versionEndExcluding\":\"11.1.4.6\",\"matchCriteriaId\":\"FD327F40-DAD7-44C3-9E98-B742595FE95F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"11.5\",\"versionEndExcluding\":\"11.5.5.0\",\"matchCriteriaId\":\"C3A4627A-DD08-4ECA-854C-F38CC6799C32\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"77E2A7AA-6BEC-4796-8F9C-B9761445203F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:fp1:*:*:*:*:*:*\",\"matchCriteriaId\":\"00A16349-5CF1-4E75-A6EE-218E85049F62\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:fp10:*:*:*:*:*:*\",\"matchCriteriaId\":\"DDB6647C-7CF0-474F-94C8-F5C7F6EE0DA5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:fp2:*:*:*:*:*:*\",\"matchCriteriaId\":\"5335C017-52D9-45D4-BCEB-CBB51B7C88AE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:fp3:*:*:*:*:*:*\",\"matchCriteriaId\":\"786B3F51-46A3-4A4C-A549-B80BA27EE3B9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:fp3a:*:*:*:*:*:*\",\"matchCriteriaId\":\"AB349DC8-2EC6-4A11-9BCD-9C49D36BA49D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:fp4:*:*:*:*:*:*\",\"matchCriteriaId\":\"CC8D88E5-7942-4F21-B0BA-7D23F4537117\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:fp5:*:*:*:*:*:*\",\"matchCriteriaId\":\"D7A42A22-D615-4D60-8FC4-61CDF727FD54\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:fp6:*:*:*:*:*:*\",\"matchCriteriaId\":\"8614A1E4-F2B2-4D76-B0A4-4D2C210BC6F6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:fp7:*:*:*:*:*:*\",\"matchCriteriaId\":\"BEBA2C16-A984-4DA3-953E-A3F29884ED09\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:fp8:*:*:*:*:*:*\",\"matchCriteriaId\":\"7B4337FD-3E56-482A-B27B-079901B07226\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:fp9:*:*:*:*:*:*\",\"matchCriteriaId\":\"F1DE50F8-6817-4C72-95BA-A81268F52E26\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:9.7:fp9a:*:*:*:*:*:*\",\"matchCriteriaId\":\"BCF253DE-A7BD-4626-8CA4-63CBF527A4A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.1:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"22019513-E605-4245-B031-05D8B0C8E3C4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.1:fp1:*:*:*:*:*:*\",\"matchCriteriaId\":\"71959DD4-A6DF-40CC-A1D4-4211C292D9B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.1:fp2:*:*:*:*:*:*\",\"matchCriteriaId\":\"AE96DEA7-95B8-487C-9ADC-ABD29942DEC0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.1:fp3:*:*:*:*:*:*\",\"matchCriteriaId\":\"0D5B31BE-FE9D-4D12-945E-3870BB46CDF5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.1:fp3a:*:*:*:*:*:*\",\"matchCriteriaId\":\"14A3CD2D-6CE7-40AC-B3A2-F515D08A9A0D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.1:fp4:*:*:*:*:*:*\",\"matchCriteriaId\":\"A5466AD6-FE18-4778-9D6C-212347ECFFE7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.1:fp5:*:*:*:*:*:*\",\"matchCriteriaId\":\"282E708B-2FE3-4B1C-9DFC-C3BD164F3F6C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.5:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"190AE881-F7BF-486E-BDAE-197337D70CDB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.5:fp1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8D1BAA43-4C77-4AC7-8561-93EDE0AED000\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.5:fp2:*:*:*:*:*:*\",\"matchCriteriaId\":\"87C39880-D0E9-4487-9A80-B4D1A999032F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.5:fp3:*:*:*:*:*:*\",\"matchCriteriaId\":\"8842A8B6-E470-4536-AB5D-DA1C62A05F58\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.5:fp3a:*:*:*:*:*:*\",\"matchCriteriaId\":\"92BF0482-E4FE-454E-84DD-27074097F3F3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.5:fp4:*:*:*:*:*:*\",\"matchCriteriaId\":\"3705A79B-7903-4055-9CDC-55D60D2AC2E4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.5:fp5:*:*:*:*:*:*\",\"matchCriteriaId\":\"CBDFCE61-EE04-4901-844D-61B8966C1B81\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.5:fp6:*:*:*:*:*:*\",\"matchCriteriaId\":\"53A23363-413D-4785-B8C1-9AC2F96000EB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.5:fp7:*:*:*:*:*:*\",\"matchCriteriaId\":\"6E22D884-A33F-41D7-84CB-B6360A39863F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.5:fp8:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DA56D35-93E9-4659-B180-2FD636A39BAB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:db2:10.5:fp9:*:*:*:*:*:*\",\"matchCriteriaId\":\"6E7F0B02-EA0B-4BD1-AA0C-2A4735221963\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"703AF700-7A70-47E2-BC3A-7FD03B3CA9C1\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F1BE6C1F-2565-4E97-92AA-16563E5660A5\"}]}]}],\"references\":[{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/192469\",\"source\":\"psirt@us.ibm.com\",\"tags\":[\"VDB Entry\",\"Vendor Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20210409-0003/\",\"source\":\"psirt@us.ibm.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.ibm.com/support/pages/node/6427859\",\"source\":\"psirt@us.ibm.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/192469\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"VDB Entry\",\"Vendor Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20210409-0003/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.ibm.com/support/pages/node/6427859\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-02-24T01:37:06+00:00",
      "cve": "CVE-2020-4976",
      "id": "CVE-2020-4976",
      "initial_release_date": "2020-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2020-4976",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-4976.json",
      "version": "3"
    }
  }
}



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.