Is CVE-2020-9817 in the CISA KEV catalog?

No. CVE-2020-9817 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-9817?

CVE-2020-9817 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2020-9817?

CVE-2020-9817 has an EPSS score of 1.06% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-9817?

Upgrade mac os x to 10.15.5 or later.

CVE & CISA-KEV Catalog

CVE-2020-9817

HIGH

7.8

CVSS v3

NVD

Description

A permissions issue existed. This issue was addressed with improved permission validation. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to gain root privileges.

CWE-276

How to fix

Remediation Available

mac os xNVD

Affected:>= 10.15, < 10.15.5Fixed in:10.15.5CVE-2020-9817derived 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

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.06%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Vendor Advisory1

support.apple.com

Third-Party Advisory1

tools.cisco.com

Related Vulnerabilities

Other CWE-276 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-0632	Critical	9.8	94%	KEV	-
CVE-2017-11610	High	8.8	88%	-	Fix
CVE-2023-29919	Critical	9.1	60%	-	-
CVE-2019-17124	Critical	9.8	23%	-	-
CVE-2020-12608	High	7.8	22%	-	Fix
CVE-2021-3437	Critical	9.8	16%	-	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.