Home/CVE/Visual Studio Code Spoofing Vulnerability
CVE

CVE-2021-26437

Visual Studio Code Spoofing Vulnerability

Visual Studio Code Spoofing Vulnerability.

MEDIUM · CVSS 5.5 EPSS 0.03766
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules7 YARA rules0
▤

Affected Products & Versions

1
microsoft visual studio codeall versions
◈

Sigma Hunt Rules

7
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighRenamed Visual Studio Code Tunnel Execution
productmediumNetwork Connection Initiated To Visual Studio Code Tunnels Domain
productmediumVisual Studio Code Tunnel Remote File Creation
productmediumDNS Query To Visual Studio Code Tunnels Domain
productmediumVisual Studio Code Tunnel Execution
productmediumVisual Studio Code Tunnel Shell Execution
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Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Sep 2021 · 12:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2021-26437Spoofing
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26437PatchVendor Advisory
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