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

FKIE_CVE-2023-34037

Vulnerability from fkie_nvd - Published: 2023-08-04 12:15 - Updated: 2026-06-17 06:02
Severity
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
VMware Horizon Server contains a HTTP request smuggling vulnerability. A malicious actor with network access may be able to perform HTTP smuggle requests.
References
security@vmware.comhttps://www.vmware.com/security/advisories/VMSA-2023-0017.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.vmware.com/security/advisories/VMSA-2023-0017.htmlVendor Advisory
Impacted products
Vendor Product Version
vmware horizon_client 2006
vmware horizon_client 2012
vmware horizon_client 2103
vmware horizon_client 2106
vmware horizon_client 2111
vmware horizon_client 2111.1
vmware horizon_client 2203
vmware horizon_client 2212
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "VMware Horizon Server",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Horizon Server 2306, Horizon Server 2303, Horizon Server 2212, Horizon Server 2209, Horizon Server 2206, Horizon Server 2111.x, Horizon Server 2106, Horizon Server 2103, Horizon Server 2012, Horizon Server 2006"
            }
          ]
        }
      ],
      "source": "security@vmware.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:vmware:horizon_client:2006:*:*:*:*:*:*:*",
              "matchCriteriaId": "7ABDAB76-D9B4-4677-A489-AB8679C826A9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:vmware:horizon_client:2012:*:*:*:*:*:*:*",
              "matchCriteriaId": "A67E7F43-E1B4-4C36-819F-758242C62692",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:vmware:horizon_client:2103:*:*:*:*:*:*:*",
              "matchCriteriaId": "4E58D474-F936-49F0-A94A-F58EC1ECB076",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:vmware:horizon_client:2106:*:*:*:*:*:*:*",
              "matchCriteriaId": "EBDBA771-953F-4994-8FAB-A0CFBF007C08",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:vmware:horizon_client:2111:*:*:*:*:*:*:*",
              "matchCriteriaId": "57471903-7385-441C-A8C4-19BD02EDACD5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:vmware:horizon_client:2111.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "E3BAFD5F-6559-45DC-BC66-C9CEEBF4DD3F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:vmware:horizon_client:2203:*:*:*:*:*:*:*",
              "matchCriteriaId": "0E2E38F7-9453-45C8-A8D7-48F16ED63C5A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:vmware:horizon_client:2212:*:*:*:*:*:*:*",
              "matchCriteriaId": "8C6C858A-FB4C-43CF-9924-670CE4699F51",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "VMware Horizon Server contains a HTTP request smuggling vulnerability. A malicious actor with network access may be able to perform HTTP smuggle requests.\n\n"
    },
    {
      "lang": "es",
      "value": "VMware Horizon Server contiene una vulnerabilidad de contrabando de solicitudes HTTP. Un actor malicioso con acceso a la red puede ser capaz de realizar peticiones HTTP de contrabando."
    }
  ],
  "id": "CVE-2023-34037",
  "lastModified": "2026-06-17T06:02:46.420",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "security@vmware.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-34037",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-10-21T17:29:46.397099Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-08-04T12:15:09.703",
  "references": [
    {
      "source": "security@vmware.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.vmware.com/security/advisories/VMSA-2023-0017.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.vmware.com/security/advisories/VMSA-2023-0017.html"
    }
  ],
  "sourceIdentifier": "security@vmware.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-444"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.