FKIE_CVE-2021-34435

Vulnerability from fkie_nvd - Published: 2021-09-01 18:15 - Updated: 2024-11-21 06:10
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
In Eclipse Theia 0.3.9 to 1.8.1, the "mini-browser" extension allows a user to preview HTML files in an iframe inside the IDE. But with the way it is made it is possible for a previewed HTML file to trigger an RCE. This exploit only happens if a user previews a malicious file..
References
emo@eclipse.orghttps://bugs.eclipse.org/bugs/show_bug.cgi?id=568018Exploit, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.eclipse.org/bugs/show_bug.cgi?id=568018Exploit, Patch, Vendor Advisory
Impacted products
Vendor Product Version
eclipse theia *
To clipboard 

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              "criteria": "cpe:2.3:a:eclipse:theia:*:*:*:*:*:*:*:*",
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      "value": "In Eclipse Theia 0.3.9 to 1.8.1, the \"mini-browser\" extension allows a user to preview HTML files in an iframe inside the IDE. But with the way it is made it is possible for a previewed HTML file to trigger an RCE. This exploit only happens if a user previews a malicious file.."
    },
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      "value": "En Eclipse Theia versiones 0.3.9 a 1.8.1, la extensi\u00f3n \"mini-browser\" permite al usuario previsualizar archivos HTML en un iframe dentro del IDE. Pero con la forma en que est\u00e1 hecha es posible para un archivo HTML previsualizado desencadenar un RCE. Esta explotaci\u00f3n s\u00f3lo ocurre si un usuario previsualiza un archivo malicioso"
    }
  ],
  "id": "CVE-2021-34435",
  "lastModified": "2024-11-21T06:10:24.447",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
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  "published": "2021-09-01T18:15:09.107",
  "references": [
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      "source": "emo@eclipse.org",
      "tags": [
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        "Vendor Advisory"
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  "vulnStatus": "Modified",
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  • 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.