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

CVE-2023-2620 (GCVE-0-2023-2620)

Vulnerability from cvelistv5 – Published: 2023-07-13 02:11 – Updated: 2024-11-06 14:22
VLAI
Title
Insertion of Sensitive Information Into Sent Data in GitLab
Summary
An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.1 prior to 15.11.10, all versions from 16.0 prior to 16.0.6, all versions from 16.1 prior to 16.1.1. A maintainer could modify a webhook URL to leak masked webhook secrets by manipulating other masked portions. This addresses an incomplete fix for CVE-2023-0838.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-06 14:22 UTC
CWE
  • CWE-201 - Insertion of Sensitive Information Into Sent Data
References
Impacted products
Vendor Product Version CPE status
GitLab GitLab Affected: 15.1 , < 15.11.10 (semver)
Affected: 16.0 , < 16.0.6 (semver)
Affected: 16.1 , < 16.1.1 (semver)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T06:26:09.822Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "GitLab Issue #410433",
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/410433"
          },
          {
            "name": "HackerOne Bug Bounty Report #1976206",
            "tags": [
              "technical-description",
              "exploit",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/1976206"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-2620",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-06T14:22:12.165370Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-06T14:22:24.167Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "GitLab",
          "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
          "vendor": "GitLab",
          "versions": [
            {
              "lessThan": "15.11.10",
              "status": "affected",
              "version": "15.1",
              "versionType": "semver"
            },
            {
              "lessThan": "16.0.6",
              "status": "affected",
              "version": "16.0",
              "versionType": "semver"
            },
            {
              "lessThan": "16.1.1",
              "status": "affected",
              "version": "16.1",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [theluci](https://hackerone.com/theluci) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.1 prior to 15.11.10, all versions from 16.0 prior to 16.0.6, all versions from 16.1 prior to 16.1.1. A maintainer could modify a webhook URL to leak masked webhook secrets by manipulating other masked portions. This addresses an incomplete fix for CVE-2023-0838."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-201",
              "description": "CWE-201: Insertion of Sensitive Information Into Sent Data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-10-03T06:23:10.816Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "name": "GitLab Issue #410433",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/410433"
        },
        {
          "name": "HackerOne Bug Bounty Report #1976206",
          "tags": [
            "technical-description",
            "exploit"
          ],
          "url": "https://hackerone.com/reports/1976206"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 15.11.10, 16.0.6, 16.1.1 or above."
        }
      ],
      "title": "Insertion of Sensitive Information Into Sent Data in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2023-2620",
    "datePublished": "2023-07-13T02:11:05.008Z",
    "dateReserved": "2023-05-10T05:22:00.071Z",
    "dateUpdated": "2024-11-06T14:22:24.167Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-2620",
      "date": "2026-09-20",
      "epss": "0.00549",
      "percentile": "0.44803"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "GitLab",
                "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
                "vendor": "GitLab",
                "versions": [
                  {
                    "lessThan": "15.11.10",
                    "status": "affected",
                    "version": "15.1",
                    "versionType": "semver"
                  },
                  {
                    "lessThan": "16.0.6",
                    "status": "affected",
                    "version": "16.0",
                    "versionType": "semver"
                  },
                  {
                    "lessThan": "16.1.1",
                    "status": "affected",
                    "version": "16.1",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "cve@gitlab.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "matchCriteriaId": "360C9FA7-D45C-45BC-B580-B045004AD490",
                    "versionEndExcluding": "15.11.10",
                    "versionStartIncluding": "15.1.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "matchCriteriaId": "E7E52754-B59F-4605-817A-E6D8CB1F1C28",
                    "versionEndExcluding": "15.11.10",
                    "versionStartIncluding": "15.1.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "matchCriteriaId": "691225A9-E175-41A1-A413-0FE619DF9ACF",
                    "versionEndExcluding": "16.0.6",
                    "versionStartIncluding": "16.0.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "matchCriteriaId": "8D33EB2F-DB0F-40DA-9C1C-4A33856EABDD",
                    "versionEndExcluding": "16.0.6",
                    "versionStartIncluding": "16.0.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "matchCriteriaId": "EDBA8049-0CB9-4B64-B803-52210D57624F",
                    "versionEndExcluding": "16.1.1",
                    "versionStartIncluding": "16.1.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "matchCriteriaId": "8365BE79-8EB8-4739-993B-851506085865",
                    "versionEndExcluding": "16.1.1",
                    "versionStartIncluding": "16.1.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.1 prior to 15.11.10, all versions from 16.0 prior to 16.0.6, all versions from 16.1 prior to 16.1.1. A maintainer could modify a webhook URL to leak masked webhook secrets by manipulating other masked portions. This addresses an incomplete fix for CVE-2023-0838."
          }
        ],
        "id": "CVE-2023-2620",
        "lastModified": "2026-06-17T05:53:01.723",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "HIGH",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.3,
              "impactScore": 2.7,
              "source": "cve@gitlab.com",
              "type": "Secondary"
            },
            {
              "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"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2023-2620",
                "options": [
                  {
                    "exploitation": "poc"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-06T14:22:12.165370Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2023-07-13T03:15:09.393",
        "references": [
          {
            "source": "cve@gitlab.com",
            "tags": [
              "Broken Link",
              "Vendor Advisory"
            ],
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/410433"
          },
          {
            "source": "cve@gitlab.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://hackerone.com/reports/1976206"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Broken Link",
              "Vendor Advisory"
            ],
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/410433"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://hackerone.com/reports/1976206"
          }
        ],
        "sourceIdentifier": "cve@gitlab.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-201"
              }
            ],
            "source": "cve@gitlab.com",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-05-28T23:59:39+00:00",
      "cve": "CVE-2023-2620",
      "id": "CVE-2023-2620",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Insertion of Sensitive Information Into Sent Data in GitLab",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-2620.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-02T06:26:09.822Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "name": "GitLab Issue #410433",
                "tags": [
                  "issue-tracking",
                  "x_transferred"
                ],
                "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/410433"
              },
              {
                "name": "HackerOne Bug Bounty Report #1976206",
                "tags": [
                  "technical-description",
                  "exploit",
                  "x_transferred"
                ],
                "url": "https://hackerone.com/reports/1976206"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-2620",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-11-06T14:22:12.165370Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-11-06T14:22:20.035Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "GitLab",
              "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
              "vendor": "GitLab",
              "versions": [
                {
                  "lessThan": "15.11.10",
                  "status": "affected",
                  "version": "15.1",
                  "versionType": "semver"
                },
                {
                  "lessThan": "16.0.6",
                  "status": "affected",
                  "version": "16.0",
                  "versionType": "semver"
                },
                {
                  "lessThan": "16.1.1",
                  "status": "affected",
                  "version": "16.1",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Thanks [theluci](https://hackerone.com/theluci) for reporting this vulnerability through our HackerOne bug bounty program"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.1 prior to 15.11.10, all versions from 16.0 prior to 16.0.6, all versions from 16.1 prior to 16.1.1. A maintainer could modify a webhook URL to leak masked webhook secrets by manipulating other masked portions. This addresses an incomplete fix for CVE-2023-0838."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "HIGH",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-201",
                  "description": "CWE-201: Insertion of Sensitive Information Into Sent Data",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2024-10-03T06:23:10.816Z",
            "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
            "shortName": "GitLab"
          },
          "references": [
            {
              "name": "GitLab Issue #410433",
              "tags": [
                "issue-tracking"
              ],
              "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/410433"
            },
            {
              "name": "HackerOne Bug Bounty Report #1976206",
              "tags": [
                "technical-description",
                "exploit"
              ],
              "url": "https://hackerone.com/reports/1976206"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "value": "Upgrade to versions 15.11.10, 16.0.6, 16.1.1 or above."
            }
          ],
          "title": "Insertion of Sensitive Information Into Sent Data in GitLab"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "assignerShortName": "GitLab",
        "cveId": "CVE-2023-2620",
        "datePublished": "2023-07-13T02:11:05.008Z",
        "dateReserved": "2023-05-10T05:22:00.071Z",
        "dateUpdated": "2024-11-06T14:22:24.167Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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…