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CVE-2022-29166

Estado: ModificadaAlta (8.8)—

matrix-appservice-irc is a Node.js IRC bridge for Matrix. The vulnerability in node-irc allows an attacker to manipulate a Matrix user into executing IRC commands by having them reply to a maliciously crafted message. The vulnerability has been patched in matrix-appservice-irc 0.33.2. Refrain from replying to messages from untrusted participants in IRC-bridged Matrix rooms. There are no known workarounds for this issue.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Matrix — Matrix IRC Bridge

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2022-29166",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2022-29166",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
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              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2025-04-23T15:53:31.570186Z"
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    "cvssMetricV2": [
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
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  ],
  "published": "2022-05-05T23:15:09.023",
  "references": [
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      "url": "https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-37hr-348p-rmf4",
      "tags": [
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    {
      "url": "https://matrix.org/blog/2022/05/04/0-34-0-security-release-for-matrix-appservice-irc-high-severity",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
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      ]
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      "description": [
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          "value": "CWE-74"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "matrix-appservice-irc is a Node.js IRC bridge for Matrix. The vulnerability in node-irc allows an attacker to manipulate a Matrix user into executing IRC commands by having them reply to a maliciously crafted message. The vulnerability has been patched in matrix-appservice-irc 0.33.2. Refrain from replying to messages from untrusted participants in IRC-bridged Matrix rooms. There are no known workarounds for this issue."
    },
    {
      "lang": "es",
      "value": "matrix-appservice-irc es un puente IRC de Node.js para Matrix. La vulnerabilidad en node-irc permite a un atacante manipular a un usuario de Matrix para que ejecute comandos de IRC haciendo que responda a un mensaje maliciosamente diseñado. La vulnerabilidad ha sido parcheada en matrix-appservice-irc versión 0.33.2. Absténgase de responder a mensajes de participantes que no sean confiables en las salas de Matrix con puente de IRC. No se presentan medidas de mitigación conocidas para este problema"
    }
  ],
  "lastModified": "2026-06-17T04:39:43.597",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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}