9.4

CVE-2020-9906: apple ios Improper Input Validation

CVSS: 9.4v2.0HighModified
Published 22-10-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-9906 is a high (CVSS 9.4) Improper Input Validation vulnerability in apple ios. EPSS estimates a 4.75% chance of exploitation in the next 30 days, higher than 91.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.4/10
010
High · v2.0 (NVD)
EPSS score
4.75%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-10-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

4.75%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

-0.04 pp

From 4.79% on 21-09-2026

21-09-202621-10-2026
EPSS score
4.75%

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

Apple6 products
  • ios≥ unspecified, < iOS 13.6 and iPadOS 13.6
  • ipados< 13.6
  • iphone_os< 13.6
  • mac_os_x≥ 10.13, < 10.13.6 | ≥ 10.14, < 10.14.6 | ≥ 10.15, < 10.15.6 | 10.13.6 | 10.13.6:security_update_2018-002 | 10.13.6:security_update_2018-003 | 10.13.6:security_update_2019-001 | 10.13.6:security_update_2019-002 | 10.13.6:security_update_2019-003 | 10.13.6:security_update_2019-004 | 10.13.6:security_update_2019-005 | 10.13.6:security_update_2019-006 | 10.13.6:security_update_2019-007 | 10.13.6:security_update_2020-001 | 10.13.6:security_update_2020-002 | 10.13.6:security_update_2020-003 | 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
  • macos≥ unspecified, < macOS Catalina 10.15.6

1 vendor · 6 products

References

4 links