CVE-2021-28956: The unofficial vscode-sass-lint (aka Sass Lint) extension through 1.0.7 for Visual Studio Code allows attacker
CVE-2021-28956 is a high-severity flaw (CVSS 8.8) affecting sass lint. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The unofficial vscode-sass-lint (aka Sass Lint) extension through 1.0.7 for Visual Studio Code allows attackers to execute arbitrary binaries if the user opens a crafted workspace. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.5% (top 25%) |
| CISA exploited list | No |
| Published | 2021-03-22 |
| 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-2021-28956?
sass lint: upgrade to newer than 1.0.7. Exact commands for each OS are on this page.
Is CVE-2021-28956 being exploited?
CVE-2021-28956 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-2021-28956 affect?
CVE-2021-28956 affects sass lint. Severity is high (CVSS 8.8). The unofficial vscode-sass-lint (aka Sass Lint) extension through 1.0.7 for Visual Studio Code allows attackers to execute arbitrary binaries if the user opens a crafted workspace. NOTE: This vulnerability only affects products that are no
How urgent is CVE-2021-28956?
Priority 50/100. High severity