# CVE-2021-30657

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. A malicious application may bypass Gatekeeper checks. Apple is aware of a report that this issue may have been actively exploited..

- Page: https://www.vulneraibility.com/cve/CVE-2021-30657
- CVSS: 5.5
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2021-11-17
- EPSS: 68.53% (percentile 99.3)
- Public exploit code: 1 Metasploit module · 1 GitHub proof of concept (first 2021-11-07)
- CISA SSVC: exploitation active, automatable no, technical impact partial (assessed 2025-01-29)
- Weakness: CWE-862
- Published: 2021-09-08

## Affected versions

- Apple macOS: affected < 11.3; < 2021

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://support.apple.com/en-us/HT212325
- [other] https://support.apple.com/en-us/HT212326
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30657

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.