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FKIE_CVE-2020-26164

Vulnerability from fkie_nvd - Published: 2020-10-07 19:15 - Updated: 2026-06-17 03:07
Summary
In kdeconnect-kde (aka KDE Connect) before 20.08.2, an attacker on the local network could send crafted packets that trigger use of large amounts of CPU, memory, or network connection slots, aka a Denial of Service attack.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00016.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00018.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2020/10/13/4Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2020/10/13/5Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2020/10/14/1Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2020/11/30/1Mailing List
cve@mitre.orghttps://bugzilla.suse.com/show_bug.cgi?id=1176268Issue Tracking, Third Party Advisory
cve@mitre.orghttps://github.com/KDE/kdeconnect-kde/commit/024e5f23db8d8ad3449714b906b46094baaffb89Patch, Third Party Advisory
cve@mitre.orghttps://github.com/KDE/kdeconnect-kde/commit/4fbd01a3d44a0bcca888c49a77ec7cfd10e113d7Patch, Third Party Advisory
cve@mitre.orghttps://github.com/KDE/kdeconnect-kde/commit/542d94a70c56aa386c8d4d793481ce181b0422e8Patch, Third Party Advisory
cve@mitre.orghttps://github.com/KDE/kdeconnect-kde/commit/613899be24b6e2a6b3e5cc719efce8ae8a122991Patch, Third Party Advisory
cve@mitre.orghttps://github.com/KDE/kdeconnect-kde/commit/8112729eb0f13e6947984416118531078e65580dPatch, Third Party Advisory
cve@mitre.orghttps://github.com/KDE/kdeconnect-kde/commit/ce0f00fc2d3eccb51d0af4eba61a4f60de086a59Patch, Third Party Advisory
cve@mitre.orghttps://github.com/KDE/kdeconnect-kde/releasesRelease Notes, Third Party Advisory
cve@mitre.orghttps://kde.org/info/security/advisory-20201002-1.txtThird Party Advisory, Vendor Advisory
cve@mitre.orghttps://kdeconnect.kde.org/official/Product
cve@mitre.orghttps://lists.opensuse.org/opensuse-security-announce/2020-10/msg00014.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/202101-16Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00016.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00018.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/10/13/4Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/10/13/5Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/10/14/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/11/30/1Mailing List
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.suse.com/show_bug.cgi?id=1176268Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/KDE/kdeconnect-kde/commit/024e5f23db8d8ad3449714b906b46094baaffb89Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/KDE/kdeconnect-kde/commit/4fbd01a3d44a0bcca888c49a77ec7cfd10e113d7Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/KDE/kdeconnect-kde/commit/542d94a70c56aa386c8d4d793481ce181b0422e8Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/KDE/kdeconnect-kde/commit/613899be24b6e2a6b3e5cc719efce8ae8a122991Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/KDE/kdeconnect-kde/commit/8112729eb0f13e6947984416118531078e65580dPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/KDE/kdeconnect-kde/commit/ce0f00fc2d3eccb51d0af4eba61a4f60de086a59Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/KDE/kdeconnect-kde/releasesRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://kde.org/info/security/advisory-20201002-1.txtThird Party Advisory, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://kdeconnect.kde.org/official/Product
af854a3a-2127-422b-91ae-364da2661108https://lists.opensuse.org/opensuse-security-announce/2020-10/msg00014.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202101-16Third Party Advisory
Impacted products
Vendor Product Version
kde kdeconnect *
opensuse backports_sle 15.0
opensuse backports_sle 15.0
opensuse leap 15.1
opensuse leap 15.2

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kde:kdeconnect:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "88091C4B-7C19-443E-91ED-D8C5869FE492",
              "versionEndExcluding": "20.08.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*",
              "matchCriteriaId": "40513095-7E6E-46B3-B604-C926F1BA3568",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*",
              "matchCriteriaId": "67E82302-4B77-44F3-97B1-24C18AC4A35D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In kdeconnect-kde (aka KDE Connect) before 20.08.2, an attacker on the local network could send crafted packets that trigger use of large amounts of CPU, memory, or network connection slots, aka a Denial of Service attack."
    },
    {
      "lang": "es",
      "value": "En kdeconnect-kde (tambi\u00e9n se conoce como KDE Connect) versiones anteriores a 20.08.2, un atacante en la red local podr\u00eda enviar paquetes dise\u00f1ados que desencadenan el uso de grandes cantidades de CPU, memoria o slots de conexi\u00f3n de red, tambi\u00e9n se conoce como un ataque de Denegaci\u00f3n de Servicio"
    }
  ],
  "id": "CVE-2020-26164",
  "lastModified": "2026-06-17T03:07:44.350",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-10-07T19:15:12.987",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00016.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00018.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2020/10/13/4"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2020/10/13/5"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2020/10/14/1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2020/11/30/1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1176268"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/KDE/kdeconnect-kde/commit/024e5f23db8d8ad3449714b906b46094baaffb89"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      ],
      "url": "https://github.com/KDE/kdeconnect-kde/commit/4fbd01a3d44a0bcca888c49a77ec7cfd10e113d7"
    },
    {
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      ],
      "url": "https://github.com/KDE/kdeconnect-kde/commit/542d94a70c56aa386c8d4d793481ce181b0422e8"
    },
    {
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      ],
      "url": "https://github.com/KDE/kdeconnect-kde/commit/613899be24b6e2a6b3e5cc719efce8ae8a122991"
    },
    {
      "source": "cve@mitre.org",
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      ],
      "url": "https://github.com/KDE/kdeconnect-kde/commit/8112729eb0f13e6947984416118531078e65580d"
    },
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    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/KDE/kdeconnect-kde/releases"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "Vendor Advisory"
      ],
      "url": "https://kde.org/info/security/advisory-20201002-1.txt"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://kdeconnect.kde.org/official/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.opensuse.org/opensuse-security-announce/2020-10/msg00014.html"
    },
    {
      "source": "cve@mitre.org",
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      ],
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    },
    {
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      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00016.html"
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    {
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    {
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    },
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    },
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    },
    {
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      ],
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    },
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      ],
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    },
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      ],
      "url": "https://security.gentoo.org/glsa/202101-16"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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

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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.

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