Is CVE-2020-9827 in the CISA KEV catalog?

No. CVE-2020-9827 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-9827?

CVE-2020-9827 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2020-9827?

CVE-2020-9827 has an EPSS score of 1.59% (73th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-9827?

Upgrade ipados to 13.5 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2020-9827

HIGHEPSS 73th pctl

7.5

CVSS v3

NVD

Description

A denial of service issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. A remote attacker may be able to cause a denial of service.

How to fix

Remediation Available

ipadosNVD

Affected:< 13.5Fixed in:13.5CVE-2020-9827derived from NVD

iphone osNVD

Affected:< 13.5Fixed in:13.5CVE-2020-9827derived from NVD

mac os xNVD

Affected:< 10.15.5Fixed in:10.15.5CVE-2020-9827derived from NVD

tvosNVD

Affected:< 13.4.5Fixed in:13.4.5CVE-2020-9827derived from NVD

watchosNVD

Affected:< 6.2.5Fixed in:6.2.5CVE-2020-9827derived 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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.59%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Vendor Advisory4

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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.