CVEs / CVE-2021-30657
CVE-2021-30657: Apple macOS Unspecified Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- medium 5.5 CVSS 3.1 (NVD)
- EPSS 68.5% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Apple macOS contains an unspecified logic issue in System Preferences that may allow a malicious application to bypass Gatekeeper checks.
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..
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Apple macOS | from unspecified, before 11.3 | 11.3 |
| Apple macOS | from unspecified, before 2021 | 2021 |
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 17 Nov 2021 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 5.5 mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NScored by NVD |
|---|---|
| Weakness | CWE-862 |
References
- CVE-2021-30657 on NVD
- CVE-2021-30657 in the CISA KEV catalog
- https://support.apple.com/en-us/HT212325 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT212326 Release Notes, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30657 Third Party Advisory, US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.