Is CVE-2020-9906 in the CISA KEV catalog?

No. CVE-2020-9906 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-9906?

CVE-2020-9906 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2020-9906?

CVE-2020-9906 has an EPSS score of 4.69% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-9906?

Upgrade ipados to 13.6 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2020-9906

CRITICALEPSS 91th pctl

9.1

CVSS v3

NVD

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.

CWE-20Improper Input Validation CWE-787Out-of-bounds Write

How to fix

Remediation Available

ipadosNVD

Affected:< 13.6Fixed in:13.6CVE-2020-9906derived from NVD

iphone osNVD

Affected:< 13.6Fixed in:13.6CVE-2020-9906derived from NVD

mac os xNVD

Affected:>= 10.15, < 10.15.6Fixed in:10.15.6CVE-2020-9906derived from NVD

watchosNVD

Affected:< 6.2.8Fixed in:6.2.8CVE-2020-9906derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Exploit Intelligence

4.69%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Vendor Advisory3

Third-Party Advisory1

packetstormsecurity.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.