CVE-2021-28470

Code execution via undisclosed extension flaw

Published Apr 13, 2021 · Updated Aug 3, 2024

Code execution in Microsoft GitHub Pull Requests and Issues before 0.25.1 allows attackers to run code after user interaction. Microsoft has not published the vulnerable component, input path, or code operation that permits execution. The local attack path requires user interaction and grants code execution with the VS Code user's privileges.

CVSS severity7.8
High
EPSS probability2.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code execution in Microsoft GitHub Pull Requests and Issues before 0.25.1 allows attackers to run code after user interaction. Microsoft has not published the vulnerable component, input path, or code operation that permits execution. The local attack path requires user interaction and grants code execution with the VS Code user's privileges.

The record

CVE
CVE-2021-28470
Published
Apr 13, 2021
Updated
Aug 3, 2024
Vendor
Microsoft
Product
GitHub Pull Requests and Issues
Classifications
Unavailable
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 13, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0.1.1 <publication

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Microsoft · GitHub Pull Requests and Issuesversion=0.1.1 <publication

Published CVSS scores

6.8NVDAV:N/AC:M/Au:N/C:P/I:P/A:P
7.8NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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