How severe is CVE-2021-28792?

CVE-2021-28792 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-28792 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28792?

CVE-2021-28792 affects Swift Development Environment Project Swift Development Environment. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28792?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-28792 published?

CVE-2021-28792 was published on 2021-03-18 and last updated on 2026-06-17.

CVE-2021-28792

CVE-2021-28792 is a high-severity vulnerability in Swift Development Environment Project Swift Development Environment with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Swift Development Environment Project Swift Development Environment
Published: 2021-03-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-28792?: CVE-2021-28792 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-28792 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28792?: CVE-2021-28792 affects Swift Development Environment Project Swift Development Environment. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28792?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-28792 published?: CVE-2021-28792 was published on 2021-03-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:swift_development_environment_project:swift_development_environment:*:*:*:*:*:visual_studio_code:*:*