FKIE_CVE-2024-27443

Vulnerability from fkie_nvd - Published: 2024-08-12 15:15 - Updated: 2025-10-31 12:49
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 issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. A Cross-Site Scripting (XSS) vulnerability exists in the CalendarInvite feature of the Zimbra webmail classic user interface, because of improper input validation in the handling of the calendar header. An attacker can exploit this via an email message containing a crafted calendar header with an embedded XSS payload. When a victim views this message in the Zimbra webmail classic interface, the payload is executed in the context of the victim's session, potentially leading to execution of arbitrary JavaScript code.
References
cve@mitre.orghttps://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.7#Security_FixesRelease Notes
cve@mitre.orghttps://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P39#Security_FixesRelease Notes
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27443US Government Resource
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.welivesecurity.com/en/eset-research/operation-roundpress/Press/Media Coverage
Impacted products
Vendor Product Version
zimbra collaboration *
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
zimbra collaboration 9.0.0
To clipboard 

{
  "cisaActionDue": "2025-06-09",
  "cisaExploitAdd": "2025-05-19",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. A Cross-Site Scripting (XSS) vulnerability exists in the CalendarInvite feature of the Zimbra webmail classic user interface, because of improper input validation in the handling of the calendar header. An attacker can exploit this via an email message containing a crafted calendar header with an embedded XSS payload. When a victim views this message in the Zimbra webmail classic interface, the payload is executed in the context of the victim\u0027s session, potentially leading to execution of arbitrary JavaScript code."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en Zimbra Collaboration (ZCS) 9.0 y 10.0. Existe una vulnerabilidad de cross site scripting (XSS) en la funci\u00f3n CalendarInvite de la interfaz de usuario cl\u00e1sica del correo web de Zimbra, debido a una validaci\u00f3n de entrada incorrecta en el manejo del encabezado del calendario. Un atacante puede aprovechar esto a trav\u00e9s de un mensaje de correo electr\u00f3nico que contenga un encabezado de calendario manipulado con un payload XSS incorporado. Cuando una v\u00edctima ve este mensaje en la interfaz cl\u00e1sica del correo web de Zimbra, el payload se ejecuta en el contexto de la sesi\u00f3n de la v\u00edctima, lo que potencialmente conduce a la ejecuci\u00f3n de c\u00f3digo JavaScript arbitrario."
    }
  ],
  "id": "CVE-2024-27443",
  "lastModified": "2025-10-31T12:49:00.460",
  "metrics": {
    "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"
      }
    ]
  },
  "published": "2024-08-12T15:15:20.283",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ],
      "url": "https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.7#Security_Fixes"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ],
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    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
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      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27443"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
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      ],
      "url": "https://www.welivesecurity.com/en/eset-research/operation-roundpress/"
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
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          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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Sightings

Author Source Type Date

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.