Is CVE-2021-30659 in the CISA KEV catalog?

No. CVE-2021-30659 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30659?

CVE-2021-30659 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-30659?

CVE-2021-30659 has an EPSS score of 1.24% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30659?

Upgrade ipados to 14.5 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2021-30659

MEDIUM

6.5

CVSS v3

NVD

Description

A validation issue was addressed with improved logic. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, macOS Big Sur 11.3. A malicious application may be able to leak sensitive user information.

How to fix

Remediation Available

ipadosNVD

Affected:< 14.5Fixed in:14.5CVE-2021-30659derived from NVD

iphone osNVD

Affected:< 14.5Fixed in:14.5CVE-2021-30659derived from NVD

macosNVD

Affected:>= 11.0, < 11.3Fixed in:11.3CVE-2021-30659derived from NVD

watchosNVD

Affected:< 7.4Fixed in:7.4CVE-2021-30659derived 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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.24%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Vendor Advisory3

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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.