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FKIE_CVE-2020-35730

Vulnerability from fkie_nvd - Published: 2020-12-28 20:15 - Updated: 2026-06-17 03:14
Severity
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
An XSS issue was discovered in Roundcube Webmail before 1.2.13, 1.3.x before 1.3.16, and 1.4.x before 1.4.10. The attacker can send a plain text e-mail message, with JavaScript in a link reference element that is mishandled by linkref_addindex in rcube_string_replacer.php.
References
cve@mitre.orghttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=978491Issue Tracking, Mailing List
cve@mitre.orghttps://github.com/roundcube/roundcubemail/compare/1.4.9...1.4.10Patch
cve@mitre.orghttps://github.com/roundcube/roundcubemail/releases/tag/1.2.13Release Notes
cve@mitre.orghttps://github.com/roundcube/roundcubemail/releases/tag/1.3.16Release Notes
cve@mitre.orghttps://github.com/roundcube/roundcubemail/releases/tag/1.4.10Release Notes
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCEU4BM5WGIDJWP6Z4PCH62ZMH57QYM2/Mailing List, Release Notes
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HMLIZWKMTRCLU7KZLEQHELS4INXJ7X5Q/Mailing List, Release Notes
cve@mitre.orghttps://roundcube.net/download/Product
cve@mitre.orghttps://www.alexbirnberg.com/roundcube-xss.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=978491Issue Tracking, Mailing List
af854a3a-2127-422b-91ae-364da2661108https://github.com/roundcube/roundcubemail/compare/1.4.9...1.4.10Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/roundcube/roundcubemail/releases/tag/1.2.13Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/roundcube/roundcubemail/releases/tag/1.3.16Release Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/roundcube/roundcubemail/releases/tag/1.4.10Release Notes
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCEU4BM5WGIDJWP6Z4PCH62ZMH57QYM2/Mailing List, Release Notes
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HMLIZWKMTRCLU7KZLEQHELS4INXJ7X5Q/Mailing List, Release Notes
af854a3a-2127-422b-91ae-364da2661108https://roundcube.net/download/Product
af854a3a-2127-422b-91ae-364da2661108https://www.alexbirnberg.com/roundcube-xss.htmlBroken Link
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-35730US Government Resource
Impacted products
Vendor Product Version
roundcube webmail *
roundcube webmail *
roundcube webmail *
fedoraproject fedora 32
fedoraproject fedora 33
debian debian_linux 9.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "cisaActionDue": "2023-07-13",
  "cisaExploitAdd": "2023-06-22",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A26F38AE-C3AB-4A9D-A097-F88FFF3351A1",
              "versionEndExcluding": "1.2.13",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AE535CF3-A0B8-4305-86BE-A6F2CD446827",
              "versionEndExcluding": "1.3.16",
              "versionStartIncluding": "1.3.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1B77F6D2-7493-4ED5-997E-5D3A168B56D7",
              "versionEndExcluding": "1.4.10",
              "versionStartIncluding": "1.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
              "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An XSS issue was discovered in Roundcube Webmail before 1.2.13, 1.3.x before 1.3.16, and 1.4.x before 1.4.10. The attacker can send a plain text e-mail message, with JavaScript in a link reference element that is mishandled by linkref_addindex in rcube_string_replacer.php."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema de XSS en Roundcube Webmail en versiones anteriores a la 1.2.13, 1.3.x en versiones anteriores a la 1.3.16 y 1.4.x en versiones anteriores a la 1.4.10. El atacante puede enviar un mensaje de correo electr\u00f3nico de texto sin formato, con JavaScript en un elemento de referencia de enlace que es manejado inapropiadamente por linkref_addindex en rcube_string_replacer.php."
    }
  ],
  "id": "CVE-2020-35730",
  "lastModified": "2026-06-17T03:14:12.273",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-35730",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-04T20:21:48.700288Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2020-12-28T20:15:13.150",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Mailing List"
      ],
      "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=978491"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/roundcube/roundcubemail/compare/1.4.9...1.4.10"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.2.13"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.3.16"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.4.10"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Release Notes"
      ],
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCEU4BM5WGIDJWP6Z4PCH62ZMH57QYM2/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Release Notes"
      ],
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HMLIZWKMTRCLU7KZLEQHELS4INXJ7X5Q/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Product"
      ],
      "url": "https://roundcube.net/download/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "https://www.alexbirnberg.com/roundcube-xss.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Mailing List"
      ],
      "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=978491"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/roundcube/roundcubemail/compare/1.4.9...1.4.10"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.2.13"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.3.16"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.4.10"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Release Notes"
      ],
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCEU4BM5WGIDJWP6Z4PCH62ZMH57QYM2/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Release Notes"
      ],
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HMLIZWKMTRCLU7KZLEQHELS4INXJ7X5Q/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://roundcube.net/download/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "https://www.alexbirnberg.com/roundcube-xss.html"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-35730"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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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

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.


Detection rules are retrieved from Rulezet.


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.