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CVE-2023-48221

Status: ModifiedHigh (8.8)—

wire-avs provides Audio, Visual, and Signaling (AVS) functionality sure the secure messaging software Wire. Prior to versions 9.2.22 and 9.3.5, a remote format string vulnerability could potentially allow an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 9.2.22 & 9.3.5 and is already included on all Wire products. No known workarounds are available.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Wire — Audio, Video, AND Signaling

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-48221",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.3,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 1
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "wireapp",
          "product": "wire-avs",
          "versions": [
            {
              "status": "affected",
              "version": "< 9.2.22"
            },
            {
              "status": "affected",
              "version": ">= 9.3.0, < 9.3.5"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-11-20T18:15:06.850",
  "references": [
    {
      "url": "https://github.com/wireapp/wire-avs/commit/364c3326a1331a84607bce2e17126306d39150cd",
      "tags": [
        "Patch"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/wireapp/wire-avs/security/advisories/GHSA-m4xg-fcr3-w3pq",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/wireapp/wire-avs/commit/364c3326a1331a84607bce2e17126306d39150cd",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/wireapp/wire-avs/security/advisories/GHSA-m4xg-fcr3-w3pq",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-134"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "wire-avs provides Audio, Visual, and Signaling (AVS) functionality sure the secure messaging software Wire. Prior to versions 9.2.22 and 9.3.5, a remote format string vulnerability could potentially allow an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 9.2.22 & 9.3.5 and is already included on all Wire products. No known workarounds are available."
    },
    {
      "lang": "es",
      "value": "wire-avs proporciona funcionalidad de Audio, Visual, and Signaling (AVS) en el software de mensajería segura Wire. Antes de las versiones 9.2.22 y 9.3.5, una vulnerabilidad de cadena de formato remoto podría permitir a un atacante provocar una Denegación de Servicio o posiblemente ejecutar código arbitrario. El problema se solucionó en wire-avs 9.2.22 y 9.3.5 y ya está incluido en todos los productos Wire. No hay workarounds conocidos disponibles."
    }
  ],
  "lastModified": "2026-06-17T06:33:46.220",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wire:audio\\,_video\\,_and_signaling:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0824D9AA-1F5B-4F7E-BB83-5472539AE5E2",
              "versionEndExcluding": "9.2.22"
            },
            {
              "criteria": "cpe:2.3:a:wire:audio\\,_video\\,_and_signaling:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "30DFE66C-5656-4EDF-95C5-9405B080A6AB",
              "versionEndIncluding": "9.3.5",
              "versionStartIncluding": "9.3.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}