VulnerabilityAnalyzed
CVE-2021-30657
Apple macOS Unspecified Vulnerability
KEVMEDIUM 5.5EPSS 68.5%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 November 2021). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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..
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- EPSS
- 68.53% probability · 99th percentile
- CISA KEV
- Listed 3 November 2021 · due 17 November 2021
- Weakness
- CWE-862
- Affected
- apple/mac os x · apple/macos
- Source
- product-security@apple.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-30657
References
- https://support.apple.com/en-us/HT212325Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212326Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212325Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212326Release Notes, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30657Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.