7.8

CVE-2021-1762: apple ios and ipados Out-of-bounds Write

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

Vulnerability summary

CVE-2021-1762 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in apple ios and ipados. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.7% 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
1.08%
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

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.08%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.08% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.08%

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

Affected systems

Apple5 products
  • ios and ipados≥ unspecified, < 14.4
  • ipados< 14.4
  • iphone_os< 14.4
  • mac_os_x≥ 10.14, ≤ 10.14.5 | ≥ 10.15, ≤ 10.15.5 | 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 | 10.15.6 | 10.15.6:supplemental_update | 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:supplemental_update
  • macos≥ unspecified, < 11.2 | ≥ 11.0, < 11.2

1 vendor · 5 products

References

2 links