CVE-2021-28792 — The unofficial Swift Development Environment extension before 2.12.1 for Visual Studio Code allows remote attackers to execute arbitrary code by constructing a malicious workspace with a crafted sourcekit-lsp.serverPath, swift.languageServerPath, swift.path.sourcekite, swift.path.sourcekiteDockerMode, swift.path.swift_driver_bin, or swift.path.shell configuration value that triggers execution upon opening the workspace

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HIGH

The unofficial Swift Development Environment extension before 2.12.1 for Visual Studio Code allows remote attackers to execute arbitrary code by constructing a malicious workspace with a crafted sourcekit-lsp.serverPath, swift.languageServerPath, swift.path.sourcekite, swift.path.sourcekiteDockerMode, swift.path.swift_driver_bin, or swift.path.shell configuration value that triggers execution upon opening the workspace

Published Mar 18, 2021

7.8

HIGH

CVSS 3.1

EPSS 1.68%

Description

The unofficial Swift Development Environment extension before 2.12.1 for Visual Studio Code allows remote attackers to execute arbitrary code by constructing a malicious workspace with a crafted sourcekit-lsp.serverPath, swift.languageServerPath, swift.path.sourcekite, swift.path.sourcekiteDockerMode, swift.path.swift_driver_bin, or swift.path.shell configuration value that triggers execution upon opening the workspace.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.68% 0.01678

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.01678

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Table of values (17 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	1.68% (0.01678)	76.08th	v5 (v2026.06.15)
Jun 15, 2026	1.68% (0.01678)	73.81th	v5 (v2026.06.15)
Nov 18, 2025	1.43% (0.01430)	78.98th	v4 (v2025.03.14)
Mar 17, 2025	2.78% (0.02777)	85.10th	v4 (v2025.03.14)
Dec 12, 2024	0.21% (0.00209)	59.83th	v3 (v2023.03.01)
Feb 22, 2024	0.21% (0.00214)	58.52th	v3 (v2023.03.01)
Dec 2, 2023	0.20% (0.00202)	57.88th	v3 (v2023.03.01)
Oct 23, 2023	0.20% (0.00197)	57.30th	v3 (v2023.03.01)
Sep 3, 2023	0.19% (0.00191)	55.84th	v3 (v2023.03.01)
Mar 7, 2023	0.18% (0.00184)	53.88th	v3 (v2023.03.01)
Mar 6, 2023	1.61% (0.01611)	75.86th	v2 (v2022.01.01)
Apr 1, 2022	1.61% (0.01611)	73.77th	v2 (v2022.01.01)
Feb 4, 2022	4.01% (0.04006)	67.85th	v2 (v2022.01.01)
Feb 3, 2022	5.88% (0.05885)	81.24th	v1
Jan 6, 2022	5.88% (0.05885)	81.05th	v1
Jan 5, 2022	1.37% (0.01374)	71.82th	v5 (v2026.06.15)
Apr 14, 2021	1.37% (0.01374)	0.00th	v1

Weaknesses (0)

No CWE recorded.

References (2)

https://github.com/vknabel/vscode-swift-development-environment/releases/tag/2.12.1
x_refsource_MISCRelease NotesThird Party Advisory
https://vuln.ryotak.me/advisories/14
x_refsource_MISCThird Party Advisory

Link	Providers	Tags
https://github.com/vknabel/vscode-swift-development-environment/releases/tag/2.12.1		x_refsource_MISCRelease NotesThird Party Advisory
https://vuln.ryotak.me/advisories/14		x_refsource_MISCThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Mar 18, 2021

Updated Aug 3, 2024

Reserved Mar 18, 2021

Link CVE-2021-28792

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2021-28792

Red Hat

Severity n/a

Public date n/a

Links CVE-2021-28792