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CVE-2021-31213

51
FAUCET Score

CVE-2021-31213 is a high-severity remote code execution vulnerability affecting the Visual Studio Code Remote Containers Extension. An attacker could exploit this vulnerability through local access with user interaction, leading to complete compromise of confidentiality, integrity, and availability of the affected system. While the vulnerability has a high CVSS score of 7.8 and a high FAUCET Risk Score, there is no evidence of active exploitation, nor are public exploit modules available. Community discussion and media coverage are minimal, suggesting limited public awareness or immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.177.2CPE matchmatch criteria
cpe:2.3:a:microsoft:remote:*:*:*:*:*:visual_studio_code:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
52.75%
Probability of exploitation in next 30 days
EPSS Percentile
98.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.5275 is in the 99th percentile among its peer group of 11,617 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Visual Studio Code Remote - Containers ExtensionFixed in: 1.56
View patch

Vendor Advisories (1)

microsoft2021-May/CVE-2021-31213Important

Visual Studio Code Remote Containers Extension Remote Code Execution Vulnerability

May 11, 2021

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2021-31213
PatchVendor Advisory