Is CVE-2021-1860 in the CISA KEV catalog?

No. CVE-2021-1860 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-1860?

CVE-2021-1860 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-1860?

CVE-2021-1860 has an EPSS score of 1.47% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-1860?

Upgrade ipados to 14.5 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2021-1860

MEDIUMEPSS 71th pctl

6.5

CVSS v3

NVD

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A malicious application may be able to disclose kernel memory.

CWE-665

How to fix

Remediation Available

ipadosNVD

Affected:< 14.5Fixed in:14.5CVE-2021-1860derived from NVD

iphone osNVD

Affected:< 14.5Fixed in:14.5CVE-2021-1860derived from NVD

macosNVD

Affected:>= 11.0, < 11.3Fixed in:11.3CVE-2021-1860derived from NVD

tvosNVD

Affected:< 14.5Fixed in:14.5CVE-2021-1860derived from NVD

watchosNVD

Affected:< 7.4Fixed in:7.4CVE-2021-1860derived 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

1.47%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Vendor Advisory6

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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.