CVE-2021-40531
9.8
CRITICAL · CVSS 3.1 · EPSS 32.8% (pctl 98)
Patch early
EPSS 32.8% — above the 10% action threshold.
Description
Sketch before 75 allows library feeds to be used to bypass file quarantine. Files are automatically downloaded and opened, without the com.apple.quarantine extended attribute. This results in remote code execution, as demonstrated by CommandString in a terminal profile to Terminal.app.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 32.77% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-434 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-09-06 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| apple | macos |
| sketch | sketch |
References
→ the Explorer · watch your stack · NVD