MEDIUMCVSS v3.1 5.5Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2021-30657

Apple macOS contains an unspecified logic issue in System Preferences that may allow a malicious application to bypass Gatekeeper checks.

Properties

Euvd product
macOS
Vulnerability name
Apple macOS Unspecified Vulnerability
First seen
2025-10-21T23:25:34+00:00
Cvss score
5.5
Epss score
0.68531
Last seen
2026-10-19T12:00:27+00:00
Due date
2021-11-17
Euvd assigner
apple
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
Score
5.5
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Apple
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
In Signal since
initial import (Sep 2026)
Euvd base score
5.5

Related Entities (13)

AFFECTS_PRODUCT (10)

→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.6:-:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.6:supplemental_update:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Apple macOS Unspecified Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Missing Authorization

INVOLVES (1)

←[Signal]kev_added · 2021-11-03

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CVE-2021-30657 (CVSS v3.1 5.5) — Ninja Signal Threat Intelligence | Ninja Signal