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CVE-2021-41043

Estado: ModificadaMedia (5.5)—

Use after free in tcpslice triggers AddressSanitizer, no other confirmed impact.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Tcpdump — Tcpslice

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-41043",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@tcpdump.org",
      "affectedData": [
        {
          "vendor": "The Tcpdump Group",
          "product": "tcpslice",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "1.5",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-01-05T12:15:08.127",
  "references": [
    {
      "url": "https://github.com/the-tcpdump-group/tcpslice/issues/11",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "security@tcpdump.org"
    },
    {
      "url": "https://github.com/the-tcpdump-group/tcpslice/issues/11",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@tcpdump.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use after free in tcpslice triggers AddressSanitizer, no other confirmed impact."
    },
    {
      "lang": "es",
      "value": "Un uso de memoria previamente liberada en tcpslice desencadena AddressSanitizer, ningún otro impacto confirmado."
    }
  ],
  "lastModified": "2026-06-17T04:07:47.923",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tcpdump:tcpslice:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DDBBF07F-5EB3-4EA1-BE35-8BD711C50DF2",
              "versionEndExcluding": "1.5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@tcpdump.org"
}