CVE-2021-34435
HIGH
8.8
CVSS Score
Published: September 1, 2021 at 05:20 PM UTC
Updated: June 17, 2026 at 03:55 AM UTC
1 product affected across 1 vendorTheia
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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
Description
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..
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMExploitPatchVendor Advisory
Source: [email protected]
https://bugs.eclipse.org/bugs/show_bug.cgi?id=568018CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-942CWE-346
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