Is CVE-2021-30907 in the CISA KEV catalog?

No. CVE-2021-30907 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30907?

CVE-2021-30907 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-30907?

CVE-2021-30907 has an EPSS score of 0.98% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30907?

Upgrade ipad os to 14.8.1 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2021-30907

HIGH

7.8

CVSS v3

NVD

Description

An integer overflow was addressed through improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to elevate privileges.

CWE-190Integer Overflow

How to fix

Remediation Available

ipad osNVD

Affected:< 14.8.1Fixed in:14.8.1CVE-2021-30907derived from NVD

iphone osNVD

Affected:< 14.8.1Fixed in:14.8.1CVE-2021-30907derived from NVD

mac os xNVD

Affected:< 10.15.7Fixed in:10.15.7CVE-2021-30907derived from NVD

macosNVD

Affected:>= 11.0, < 11.6.1Fixed in:11.6.1CVE-2021-30907derived from NVD

tvosNVD

Affected:< 15.1Fixed in:15.1CVE-2021-30907derived from NVD

watchosNVD

Affected:< 8.1Fixed in:8.1CVE-2021-30907derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.98%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Other references7

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	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.