Is CVE-2021-30995 in the CISA KEV catalog?

No. CVE-2021-30995 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30995?

CVE-2021-30995 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2021-30995?

CVE-2021-30995 has an EPSS score of 2.31% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30995?

Upgrade ipados to 15.2 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2021-30995

HIGHEPSS 81th pctl

7.0

CVSS v3

NVD

Description

A race condition was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to elevate privileges.

CWE-362Race Condition

How to fix

Remediation Available

ipadosNVD

Affected:< 15.2Fixed in:15.2CVE-2021-30995derived from NVD

iphone osNVD

Affected:< 15.2Fixed in:15.2CVE-2021-30995derived from NVD

mac os xNVD

Affected:>= 10.15, < 10.15.7Fixed in:10.15.7CVE-2021-30995derived from NVD

macosNVD

Affected:>= 12.0, < 12.1Fixed in:12.1CVE-2021-30995derived from NVD

tvosNVD

Affected:< 15.2Fixed in:15.2CVE-2021-30995derived from NVD

watchosNVD

Affected:< 8.3Fixed in:8.3CVE-2021-30995derived 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 ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.31%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Other references7

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	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.