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Full vulnerability report · 2021
CVE-2021-28448High confidence

Visual Studio Code Kubernetes Tools Remote Code Execution Vulnerability

Microsoft · Visual Studio Code - Kubernetes Tools

7.8HighCVSS 3.1
Recommended action
Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2021-15127

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available
01

What, why and how

Visual Studio Code Kubernetes Tools Remote Code Execution Vulnerability

What

Visual Studio Code Kubernetes Tools Remote Code Execution Vulnerability

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through local access may attempt exploitation without authentication after a user interaction. If successful, the issue may execute code or commands in the affected security context.

What

Visual Studio Code Kubernetes Tools Remote Code Execution Vulnerability

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through local access may attempt exploitation without authentication after a user interaction. If successful, the issue may execute code or commands in the affected security context.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
local access → vulnerable operation → execute code or commands in the affected security context
Attack surface
Local
Privileges required
None: unauthenticated exploitation is possible
User interaction
Required interaction required
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration.
CWE not yet assigned
CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVLocalAttack vector: The attacker needs local access to the vulnerable system.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
After compromise, an attacker may use built-in shells, scripting engines, scheduled tasks and native network utilities for discovery, persistence or movement. This is a plausible LoTL path, not evidence that it has occurred for every attack.
UnauthenticatedRemote code execution
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

Cyber Security Agency of Singapore · English · CSA-SB-20210414Security Bulletin 14 Apr 2021

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 14 Apr 2021, published on 14 April 2021. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2021-AVI-262Multiples vulnérabilités dans les produits Microsoft

privilèges. Solution Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation). Documentation Bulletin de sécurité Microsoft du 13 avril 2021 https://portal.msrc.microsoft.com/fr-FR/security-guidance Référence CVE CVE-2021-27064 https://www.cve.org/CVERecord?id=CVE-2021-27064 Référence CVE CVE-2021-27067 https://www.cve.org/CVERecord?id=CVE-2021-27067 Référence CVE CVE-2021-28313 https://www.cve.org/CVERecord?id=CVE-2021-28313 Référence CVE CVE-2021-28321 https://www.cve.org/CVERecord?id=CVE-2021-28321 Référence CVE CVE-2021-28322 https://www.cve.org/CVERecord?id=CVE-2021-28322 Référence CVE CVE-2021-28448 https://www.cve.org/CVERecord?id=CVE-2021-28448 Référence CVE CVE-2021-28449 https://www.cve.org/CVERecord?id=CVE-2021-28449 Référence CVE CVE-2021-28451 https://www.cve.org/CVERecord?id=CVE-2021-28451 Référence CVE CVE-2021-28452 https://www.cve.org/CVERecord?id=CVE-2021-28452 Référence CVE CVE-2021-28453 https://www.cve.org/CVERecord?id=CVE-2021-28453 Référence CVE CVE-2021-28454 https://www.cve.org/CVERecord?id=CVE-2021-28454 Référence CVE CVE-2021-28456 https://www.cve.org/CVERecord?id=CVE-2021-28456 Référence CVE CVE-2021-28457 https://www.cve.org/CVERecord?id=CVE-2021-28457 Référence CVE CVE-2021-28458 https://www.cve.org/CVERecord?id=

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2021-001404Visual Studio Code Kubernetes Tools におけるリモートでコードを実行される脆弱性

Visual Studio Code Kubernetes Tools には、リモートでコードを実行される脆弱性が存在します。

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-5297MS 4월 보안 위협에 따른 정기 보안 업데이트 권고

V 서비스 거부 취약성 Visual Studio CVE-2021-27064 Visual Studio 설치 관리자 권한 상승 취약성 Visual Studio Code CVE-2021-28477 Visual Studio Code 원격 코드 실행 취약성 Visual Studio Code CVE-2021-28475 Visual Studio Code 원격 코드 실행 취약성 Visual Studio Code CVE-2021-28473 Visual Studio Code 원격 코드 실행 취약성 Visual Studio Code CVE-2021-28471 Visual Studio Code용 원격 개발 확장 원격 코드 실행 취약성 Visual Studio Code CVE-2021-28469 Visual Studio Code 원격 코드 실행 취약성 Visual Studio Code CVE-2021-28457 Visual Studio Code 원격 코드 실행 취약성 Visual Studio Code - GitHub Pull Requests and Issues Extension CVE-2021-28470 Visual Studio Code GitHub 끌어오기 요청 및 문제 확장 원격 코드 실행 취약성 Visual Studio Code - Kubernetes Tools CVE-2021-28448 Visual Studio Code Kubernetes 도구 원격 코드 실행 취약성 Visual Studio Code - Maven for Java Extension CVE-2021-28472 Java용 Visual Studio Code Maven 확장 원격 코드 실행 취약성 Windows Application Compatibility Cache CVE-2021-28311 Windows 응용 프로그램 호환성 캐시 서비스 거부 취약성 Windows AppX Deployment Extensions CVE-2021-28326 Windows AppX 배포 서버 서비스 거부 취약성 Windows Console Driver CVE-2021-28443 Windows 콘솔 드라이버 서비스 거부 취약성 Windows Console Driver CVE-2021-28438 Windows 콘솔 드라이버 서비스 거부 취약성 Windows Diagnostic Hub CVE-2021-28322 진단 허브 표준 수집기 서비스 권한 상승 취약성 Windows Diagnostic Hub CVE-2021-28321 진단 허브 표준 수집기 서비스 권한 상승 취약성 Windows Diagnostic Hub CVE-2021-28313 진단 허브 표준 수집기 서비스 권한 상승 취약성 W

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Patch available
Affected
Visual Studio Code - Kubernetes Tools: 1.0.0 < 1.3.1
Fixed
An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
Action
Review the linked authoritative reference and apply the recorded fixed release appropriate to the affected product branch.
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 13 Apr 2021 · Last source change 3 Aug 2024, 21:40 UTC · CWE not yet assigned

CVE recordCVE.org · 5.1
CVSS sourceCNA
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2021-15127
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceUnavailable
NVD statusNVD modified after enrichment

Missing structured fields: CWE classification. Missing data is not evidence of low risk; review the primary advisory.

Material change intelligence

What changed after publication

View recent updates ↗

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Fixed release or patch reference recorded
ENISA EUVD · EUVD-2021-15127↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2021-28448 · cve.blacktree.nl