Is CVE-2021-30929 in the CISA KEV catalog?

No. CVE-2021-30929 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30929?

CVE-2021-30929 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-30929?

CVE-2021-30929 has an EPSS score of 0.30% (22th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30929?

Upgrade ipados to 15.2 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-30929

MEDIUM

5.5

CVSS v3

NVD

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. Processing a maliciously crafted USD file may disclose memory contents.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

ipadosNVD

Affected:< 15.2Fixed in:15.2CVE-2021-30929derived from NVD

iphone osNVD

Affected:< 15.2Fixed in:15.2CVE-2021-30929derived from NVD

macosNVD

Affected:>= 12.0, < 12.1Fixed in:12.1CVE-2021-30929derived 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

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.30%probability of exploitation in 30 days

22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Other references4

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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.