Is CVE-2020-8674 in the CISA KEV catalog?

No. CVE-2020-8674 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8674?

CVE-2020-8674 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2020-8674?

CVE-2020-8674 has an EPSS score of 1.79% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8674?

Upgrade active management technology firmware to 14.0.33 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-8674

MEDIUMEPSS 76th pctl

5.3

CVSS v3

NVD

Description

Out-of-bounds read in DHCPv6 subsystem in Intel(R) AMT and Intel(R)ISM versions before 11.8.77, 11.12.77, 11.22.77, 12.0.64 and 14.0.33 may allow an unauthenticated user to potentially enable information disclosure via network access.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

active management technology firmwareNVD

Affected:>= 14.0, < 14.0.33Fixed in:14.0.33CVE-2020-8674derived from NVD

service managerNVD

Affected:>= 14.0, < 14.0.33Fixed in:14.0.33CVE-2020-8674derived 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

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.79%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Vendor Advisory1

intel.com

Third-Party Advisory1

synology.com

Other references3

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	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.