PatchTheCVECVE-2021-28791: The unofficial SwiftFormat extension before 1.3.7 for Visual Studio Code allows remote attackers to execute ar
CVE-2021-28791 is a high-severity flaw (CVSS 7.8) affecting swiftformat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The unofficial SwiftFormat extension before 1.3.7 for Visual Studio Code allows remote attackers to execute arbitrary code by constructing a malicious workspace with a crafted swiftformat.path configuration value that triggers execution upon opening the workspace.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.6% (top 24%) |
| CISA exploited list | No |
| Weakness | CWE-863 |
| Published | 2021-03-18 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-28791?
swiftformat: upgrade to 1.3.7. Exact commands for each OS are on this page.
Is CVE-2021-28791 being exploited?
CVE-2021-28791 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-28791 affect?
CVE-2021-28791 affects swiftformat. Severity is high (CVSS 7.8). The unofficial SwiftFormat extension before 1.3.7 for Visual Studio Code allows remote attackers to execute arbitrary code by constructing a malicious workspace with a crafted swiftformat.path configuration value that triggers execution upo
How urgent is CVE-2021-28791?
Priority 46/100. High severity