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

CVE-2023-3891 (GCVE-0-2023-3891)

Vulnerability from cvelistv5 – Published: 2023-09-15 02:07 – Updated: 2025-09-25 17:22
VLAI
Title
Lapce v0.2.8 - Privilege escalation via Race Condition
Summary
Race condition in Lapce v0.2.8 allows an attacker to elevate privileges on the system
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-25 13:25 UTC
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
Impacted products
Vendor Product Version CPE status
Lapce Lapce Affected: 0.2.8
guessed Create a notification for this product.
lapce lapce Affected: 0.2.8
    cpe:2.3:a:lapce:lapce:0.2.8:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2023-09-15 02:06
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:08:50.656Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://fluidattacks.com/advisories/aerosmith"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lapce.dev"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:lapce:lapce:0.2.8:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "lapce",
            "vendor": "lapce",
            "versions": [
              {
                "status": "affected",
                "version": "0.2.8"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-3891",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-25T13:25:38.124458Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-25T13:29:06.667Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows",
            "MacOS",
            "Linux"
          ],
          "product": "Lapce",
          "vendor": "Lapce",
          "versions": [
            {
              "status": "affected",
              "version": "0.2.8"
            }
          ]
        }
      ],
      "datePublic": "2023-09-15T02:06:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Race condition in Lapce v0.2.8 allows an attacker to elevate privileges on the system"
            }
          ],
          "value": "Race condition in Lapce v0.2.8 allows an attacker to elevate privileges on the system"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-367",
              "description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-25T17:22:26.081Z",
        "orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
        "shortName": "Fluid Attacks"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://fluidattacks.com/advisories/aerosmith"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://lapce.dev"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/lapce/lapce/releases/tag/v0.3.0"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Lapce v0.2.8 - Privilege escalation via Race Condition",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
    "assignerShortName": "Fluid Attacks",
    "cveId": "CVE-2023-3891",
    "datePublished": "2023-09-15T02:07:22.888Z",
    "dateReserved": "2023-07-24T17:48:57.293Z",
    "dateUpdated": "2025-09-25T17:22:26.081Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-3891",
      "date": "2026-09-17",
      "epss": "0.00292",
      "percentile": "0.21923"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:lapce:lapce:0.2.8:*:*:*:*:*:*:*",
                  "matchCriteriaId": "644E9D19-0D0E-489A-8B95-105B0E47C129",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Race condition in Lapce v0.2.8 allows an attacker to elevate privileges on the system"
        },
        {
          "lang": "es",
          "value": "La condici\u00f3n de ejecuci\u00f3n en Lapce v0.2.8 permite a un atacante elevar los privilegios en el sistema."
        }
      ],
      "id": "CVE-2023-3891",
      "lastModified": "2024-11-21T08:18:18.213",
      "metrics": {
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.3,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 1.3,
            "impactScore": 5.9,
            "source": "help@fluidattacks.com",
            "type": "Secondary"
          },
          {
            "cvssData": {
              "attackComplexity": "HIGH",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.0,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 1.0,
            "impactScore": 5.9,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2023-09-15T03:15:08.803",
      "references": [
        {
          "source": "help@fluidattacks.com",
          "tags": [
            "Exploit",
            "Third Party Advisory"
          ],
          "url": "https://fluidattacks.com/advisories/aerosmith"
        },
        {
          "source": "help@fluidattacks.com",
          "tags": [
            "Product"
          ],
          "url": "https://lapce.dev"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Exploit",
            "Third Party Advisory"
          ],
          "url": "https://fluidattacks.com/advisories/aerosmith"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Product"
          ],
          "url": "https://lapce.dev"
        }
      ],
      "sourceIdentifier": "help@fluidattacks.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-367"
            }
          ],
          "source": "help@fluidattacks.com",
          "type": "Secondary"
        },
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-367"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "platforms": [
                  "Windows",
                  "MacOS",
                  "Linux"
                ],
                "product": "Lapce",
                "vendor": "Lapce",
                "versions": [
                  {
                    "status": "affected",
                    "version": "0.2.8"
                  }
                ]
              }
            ],
            "source": "help@fluidattacks.com"
          },
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:a:lapce:lapce:0.2.8:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "lapce",
                "vendor": "lapce",
                "versions": [
                  {
                    "status": "affected",
                    "version": "0.2.8"
                  }
                ]
              }
            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:lapce:lapce:0.2.8:*:*:*:*:*:*:*",
                    "matchCriteriaId": "644E9D19-0D0E-489A-8B95-105B0E47C129",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Race condition in Lapce v0.2.8 allows an attacker to elevate privileges on the system"
          },
          {
            "lang": "es",
            "value": "La condici\u00f3n de ejecuci\u00f3n en Lapce v0.2.8 permite a un atacante elevar los privilegios en el sistema."
          }
        ],
        "id": "CVE-2023-3891",
        "lastModified": "2026-06-17T06:15:14.903",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.3,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.3,
              "impactScore": 5.9,
              "source": "help@fluidattacks.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.0,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.0,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2023-3891",
                "options": [
                  {
                    "exploitation": "poc"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-25T13:25:38.124458Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2023-09-15T03:15:08.803",
        "references": [
          {
            "source": "help@fluidattacks.com",
            "tags": [
              "Exploit",
              "Third Party Advisory"
            ],
            "url": "https://fluidattacks.com/advisories/aerosmith"
          },
          {
            "source": "help@fluidattacks.com",
            "url": "https://github.com/lapce/lapce/releases/tag/v0.3.0"
          },
          {
            "source": "help@fluidattacks.com",
            "tags": [
              "Product"
            ],
            "url": "https://lapce.dev"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Third Party Advisory"
            ],
            "url": "https://fluidattacks.com/advisories/aerosmith"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Product"
            ],
            "url": "https://lapce.dev"
          }
        ],
        "sourceIdentifier": "help@fluidattacks.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-367"
              }
            ],
            "source": "help@fluidattacks.com",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-367"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-09-25T18:55:18+00:00",
      "cve": "CVE-2023-3891",
      "id": "CVE-2023-3891",
      "initial_release_date": "2023-09-15T02:06:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Lapce v0.2.8 - Privilege escalation via Race Condition",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-3891.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2025-02-16T06:46:03Z",
      "cve": "CVE-2023-3891",
      "id": "CVE-2023-3891",
      "initial_release_date": "2023-09-19T01:57:31Z",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-3891",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-3891.json",
      "version": "5"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-02T07:08:50.656Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://fluidattacks.com/advisories/aerosmith"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://lapce.dev"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "affected": [
              {
                "cpes": [
                  "cpe:2.3:a:lapce:lapce:0.2.8:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "lapce",
                "vendor": "lapce",
                "versions": [
                  {
                    "status": "affected",
                    "version": "0.2.8"
                  }
                ]
              }
            ],
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-3891",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-25T13:25:38.124458Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-09-25T13:29:02.254Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "platforms": [
                "Windows",
                "MacOS",
                "Linux"
              ],
              "product": "Lapce",
              "vendor": "Lapce",
              "versions": [
                {
                  "status": "affected",
                  "version": "0.2.8"
                }
              ]
            }
          ],
          "datePublic": "2023-09-15T02:06:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "Race condition in Lapce v0.2.8 allows an attacker to elevate privileges on the system"
                }
              ],
              "value": "Race condition in Lapce v0.2.8 allows an attacker to elevate privileges on the system"
            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-233",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-233 Privilege Escalation"
                }
              ]
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.3,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-367",
                  "description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-09-25T17:22:26.081Z",
            "orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
            "shortName": "Fluid Attacks"
          },
          "references": [
            {
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://fluidattacks.com/advisories/aerosmith"
            },
            {
              "tags": [
                "product"
              ],
              "url": "https://lapce.dev"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/lapce/lapce/releases/tag/v0.3.0"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Lapce v0.2.8 - Privilege escalation via Race Condition",
          "x_generator": {
            "engine": "Vulnogram 0.1.0-dev"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
        "assignerShortName": "Fluid Attacks",
        "cveId": "CVE-2023-3891",
        "datePublished": "2023-09-15T02:07:22.888Z",
        "dateReserved": "2023-07-24T17:48:57.293Z",
        "dateUpdated": "2025-09-25T17:22:26.081Z",
        "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…