Visual Studio
CVE-2020-1343 — Visual Studio Code Live Share Information Disclosure Vulnerability
Executive Summary
An information disclosure vulnerability exists in Visual Studio Code Live Share Extension when it exposes tokens in plain text. To exploit the vulnerability, an attacker would need to perform a successful capture of the tokens from client to proxy, where specific proxy settings are being used, making this very difficult to exploit. The update address the vulnerability by modifying the way Visual Studio Code Live Share communicates with clients to proxies.
Overview
5.9
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Not Found
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
ATTACK VECTOR
Network
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
EPSS Score
0.02826
probability of exploitation in the next 30 days
0.8476 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
1 affected product
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Visual Studio Code Live Share extension | Release Notes (Security Update) |
Important | Information Disclosure | Maybe |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
Release Notes |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
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