7.8

CVE-2021-30781: apple ios

CVSS: 7.8v3.1HighModified
Published 08-09-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-30781 is a high (CVSS 7.8) vulnerability in apple ios. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.7% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.36%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-09-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

This issue was addressed with improved checks. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. A local attacker may be able to cause unexpected application termination or arbitrary code execution.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

0.00 pp

From 0.36% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Apple7 products
  • ios≥ unspecified, < 14.7
  • iphone_os< 14.7
  • mac_os_x≥ 10.14, ≤ 10.14.5 | ≥ 10.15, ≤ 10.15.6 | 10.14.6 | 10.14.6:security_update_2019-001 | 10.14.6:security_update_2019-002 | 10.14.6:security_update_2019-004 | 10.14.6:security_update_2019-005 | 10.14.6:security_update_2019-006 | 10.14.6:security_update_2019-007 | 10.14.6:security_update_2020-001 | 10.14.6:security_update_2020-002 | 10.14.6:security_update_2020-003 | 10.14.6:security_update_2020-004 | 10.14.6:security_update_2020-005 | 10.14.6:security_update_2020-006 | 10.14.6:security_update_2020-007 | 10.14.6:security_update_2021-001 | 10.14.6:security_update_2021-002 | 10.14.6:security_update_2021-003 | 10.14.6:security_update_2021-004 | 10.14.6:supplemental_update | 10.14.6:supplemental_update_2 | 10.15.7 | 10.15.7:security_update_2020 | 10.15.7:security_update_2020-001 | 10.15.7:security_update_2020-005 | 10.15.7:security_update_2020-007 | 10.15.7:security_update_2021-001 | 10.15.7:security_update_2021-002 | 10.15.7:security_update_2021-003 | 10.15.7:supplemental_update
  • macos≥ unspecified, < 11.5 | ≥ unspecified, < 2021 | ≥ unspecified, < 14.7 | ≥ unspecified, < 7.6 | ≥ 11.0, < 11.5
  • security update - catalina≥ unspecified, < 2021

1 vendor · 7 products

References

6 links