CVE-2021-34435
CVSS V2 Medium 6.8
CVSS V3 High 8.8
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..
Overview
- CVE ID
- CVE-2021-34435
- Assigner
- emo@eclipse.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-01T18:15:09
- Last Modified Date
- 2022-10-27T12:49:39
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:eclipse:theia:*:*:*:*:*:*:*:* | 1 | OR | 0.3.9 | 1.8.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://bugs.eclipse.org/bugs/show_bug.cgi?id=568018 | Exploit Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-34435 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34435 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:06:12 | Added to TrackCVE | |||
| 2022-12-05 09:30:42 | security@eclipse.org | emo@eclipse.org | CVE Assigner | updated |
| 2022-12-05 09:30:42 | 2021-09-01T18:15Z | 2021-09-01T18:15:09 | CVE Published Date | updated |
| 2022-12-05 09:30:42 | 2022-10-27T12:49:39 | CVE Modified Date | updated | |
| 2022-12-05 09:30:42 | Analyzed | Vulnerability Status | updated |