GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2020-4919 (GCVE-0-2020-4919)

Vulnerability from cvelistv5 – Published: 2021-01-04 14:00 – Updated: 2024-09-17 02:17
VLAI
Summary
IBM Cloud Pak System 2.3 has insufficient logout controls which could allow an authenticated privileged user to impersonate another user on the system. IBM X-Force ID: 191395.
CWE
  • Gain Access
Assigner
References
Impacted products
Vendor Product Version CPE status
IBM Cloud Pak System Affected: 2.3
guessed Create a notification for this product.
Date Public
2021-01-02 00:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:14:59.161Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.ibm.com/support/pages/node/6393554"
          },
          {
            "name": "ibm-cps-cve20204919-session-fixation (191395)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/191395"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cloud Pak System",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "2.3"
            }
          ]
        }
      ],
      "datePublic": "2021-01-02T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "IBM Cloud Pak System 2.3 has insufficient logout controls which could allow an authenticated privileged user to impersonate another user on the system. IBM X-Force ID: 191395."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 4.1,
            "temporalSeverity": "MEDIUM",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/C:L/S:U/UI:N/AC:L/PR:H/I:L/AV:N/A:L/RC:C/E:U/RL:O",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Gain Access",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-04T14:00:38.000Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.ibm.com/support/pages/node/6393554"
        },
        {
          "name": "ibm-cps-cve20204919-session-fixation (191395)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/191395"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@us.ibm.com",
          "DATE_PUBLIC": "2021-01-02T00:00:00",
          "ID": "CVE-2020-4919",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Cloud Pak System",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "2.3"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "IBM"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "IBM Cloud Pak System 2.3 has insufficient logout controls which could allow an authenticated privileged user to impersonate another user on the system. IBM X-Force ID: 191395."
            }
          ]
        },
        "impact": {
          "cvssv3": {
            "BM": {
              "A": "L",
              "AC": "L",
              "AV": "N",
              "C": "L",
              "I": "L",
              "PR": "H",
              "S": "U",
              "UI": "N"
            },
            "TM": {
              "E": "U",
              "RC": "C",
              "RL": "O"
            }
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Gain Access"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.ibm.com/support/pages/node/6393554",
              "refsource": "CONFIRM",
              "title": "IBM Security Bulletin 6393554 (Cloud Pak System)",
              "url": "https://www.ibm.com/support/pages/node/6393554"
            },
            {
              "name": "ibm-cps-cve20204919-session-fixation (191395)",
              "refsource": "XF",
              "title": "X-Force Vulnerability Report",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/191395"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2020-4919",
    "datePublished": "2021-01-04T14:00:38.182Z",
    "dateReserved": "2019-12-30T00:00:00.000Z",
    "dateUpdated": "2024-09-17T02:17:11.503Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-4919",
      "date": "2026-09-20",
      "epss": "0.00623",
      "percentile": "0.48476"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:ibm:cloud_pak_system:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "8E1AD156-68F6-4A91-AF04-D3266E2F92F0",
                  "versionEndExcluding": "2.3.3.3",
                  "versionStartIncluding": "2.3.0.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "IBM Cloud Pak System 2.3 has insufficient logout controls which could allow an authenticated privileged user to impersonate another user on the system. IBM X-Force ID: 191395."
        },
        {
          "lang": "es",
          "value": "IBM Cloud Pak System versi\u00f3n 2.3, presenta controles de cierre de sesi\u00f3n insuficientes que podr\u00edan permitir a un usuario privilegiado autenticado suplantar a otro usuario en el sistema.\u0026#xa0;IBM X-Force ID: 191395."
        }
      ],
      "id": "CVE-2020-4919",
      "lastModified": "2024-11-21T05:33:25.650",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "NETWORK",
              "authentication": "SINGLE",
              "availabilityImpact": "NONE",
              "baseScore": 5.5,
              "confidentialityImpact": "PARTIAL",
              "integrityImpact": "PARTIAL",
              "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
              "version": "2.0"
            },
            "exploitabilityScore": 8.0,
            "impactScore": 4.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ],
        "cvssMetricV30": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 4.7,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "HIGH",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.0"
            },
            "exploitabilityScore": 1.2,
            "impactScore": 3.4,
            "source": "psirt@us.ibm.com",
            "type": "Secondary"
          }
        ],
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 3.8,
              "baseSeverity": "LOW",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "HIGH",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
              "version": "3.1"
            },
            "exploitabilityScore": 1.2,
            "impactScore": 2.5,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2021-01-04T14:15:14.143",
      "references": [
        {
          "source": "psirt@us.ibm.com",
          "tags": [
            "VDB Entry",
            "Vendor Advisory"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/191395"
        },
        {
          "source": "psirt@us.ibm.com",
          "tags": [
            "Patch",
            "Vendor Advisory"
          ],
          "url": "https://www.ibm.com/support/pages/node/6393554"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "VDB Entry",
            "Vendor Advisory"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/191395"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch",
            "Vendor Advisory"
          ],
          "url": "https://www.ibm.com/support/pages/node/6393554"
        }
      ],
      "sourceIdentifier": "psirt@us.ibm.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "NVD-CWE-noinfo"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:ibm:cloud_pak_system:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "8E1AD156-68F6-4A91-AF04-D3266E2F92F0",
                    "versionEndExcluding": "2.3.3.3",
                    "versionStartIncluding": "2.3.0.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "IBM Cloud Pak System 2.3 has insufficient logout controls which could allow an authenticated privileged user to impersonate another user on the system. IBM X-Force ID: 191395."
          },
          {
            "lang": "es",
            "value": "IBM Cloud Pak System versi\u00f3n 2.3, presenta controles de cierre de sesi\u00f3n insuficientes que podr\u00edan permitir a un usuario privilegiado autenticado suplantar a otro usuario en el sistema.\u0026#xa0;IBM X-Force ID: 191395."
          }
        ],
        "id": "CVE-2020-4919",
        "lastModified": "2024-11-21T05:33:25.650",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "NONE",
                "baseScore": 5.5,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 8.0,
              "impactScore": 4.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 4.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
                "version": "3.0"
              },
              "exploitabilityScore": 1.2,
              "impactScore": 3.4,
              "source": "psirt@us.ibm.com",
              "type": "Secondary"
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 3.8,
                "baseSeverity": "LOW",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 1.2,
              "impactScore": 2.5,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2021-01-04T14:15:14.143",
        "references": [
          {
            "source": "psirt@us.ibm.com",
            "tags": [
              "VDB Entry",
              "Vendor Advisory"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/191395"
          },
          {
            "source": "psirt@us.ibm.com",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "https://www.ibm.com/support/pages/node/6393554"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "VDB Entry",
              "Vendor Advisory"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/191395"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "https://www.ibm.com/support/pages/node/6393554"
          }
        ],
        "sourceIdentifier": "psirt@us.ibm.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-02-24T01:38:30+00:00",
      "cve": "CVE-2020-4919",
      "id": "CVE-2020-4919",
      "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-2020-4919",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-4919.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…