Vulnerability Details CVE-2021-34435
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..
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 37.4%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8
Products affected by CVE-2021-34435
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cpe:2.3:a:eclipse:theia:0.10.0
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cpe:2.3:a:eclipse:theia:0.11.0
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cpe:2.3:a:eclipse:theia:0.12.0
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cpe:2.3:a:eclipse:theia:0.13.0
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cpe:2.3:a:eclipse:theia:0.14.0
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cpe:2.3:a:eclipse:theia:0.15.0
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cpe:2.3:a:eclipse:theia:0.16.0
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cpe:2.3:a:eclipse:theia:0.16.1
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cpe:2.3:a:eclipse:theia:0.3.10
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cpe:2.3:a:eclipse:theia:0.3.11
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cpe:2.3:a:eclipse:theia:0.3.12
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cpe:2.3:a:eclipse:theia:0.3.13
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cpe:2.3:a:eclipse:theia:0.3.14
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cpe:2.3:a:eclipse:theia:0.3.15
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cpe:2.3:a:eclipse:theia:0.3.16
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cpe:2.3:a:eclipse:theia:0.3.17
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cpe:2.3:a:eclipse:theia:0.3.18
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cpe:2.3:a:eclipse:theia:0.3.19
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cpe:2.3:a:eclipse:theia:0.3.9
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cpe:2.3:a:eclipse:theia:0.4.0
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cpe:2.3:a:eclipse:theia:0.5.0
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cpe:2.3:a:eclipse:theia:0.6.0
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cpe:2.3:a:eclipse:theia:0.6.1
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cpe:2.3:a:eclipse:theia:0.7.0
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cpe:2.3:a:eclipse:theia:0.7.1
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cpe:2.3:a:eclipse:theia:0.7.2
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cpe:2.3:a:eclipse:theia:0.8.0
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cpe:2.3:a:eclipse:theia:0.9.0
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cpe:2.3:a:eclipse:theia:1.1.0
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cpe:2.3:a:eclipse:theia:1.2.0
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cpe:2.3:a:eclipse:theia:1.3.0
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cpe:2.3:a:eclipse:theia:1.4.0
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cpe:2.3:a:eclipse:theia:1.5.0
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cpe:2.3:a:eclipse:theia:1.6.0
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cpe:2.3:a:eclipse:theia:1.7.0
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cpe:2.3:a:eclipse:theia:1.8.0
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cpe:2.3:a:eclipse:theia:1.8.1