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CVE-2021-28470

24
FAUCET Score

CVE-2021-28470 is a Remote Code Execution vulnerability affecting the Visual Studio Code GitHub Pull Requests and Issues Extension. This high-severity vulnerability, with a CVSS score of 7.8, requires user interaction and local access to exploit, but successful exploitation could lead to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, the vulnerability has garnered some media attention and community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.25.1CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_code_github_pull_requests_and_issues:*:*:*:*:*:*:*:*

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
2.25%
Probability of exploitation in next 30 days
EPSS Percentile
81.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0225 is in the 81st 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 - GitHub Pull Requests and Issues Extension
View patch

Vendor Advisories (1)

microsoft2021-Apr/CVE-2021-28470Important

Visual Studio Code GitHub Pull Requests and Issues Extension Remote Code Execution Vulnerability

Apr 13, 2021

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2021-28470
PatchVendor Advisory