Is CVE-2020-8286 in the CISA KEV catalog?

No. CVE-2020-8286 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8286?

CVE-2020-8286 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2020-8286?

CVE-2020-8286 has an EPSS score of 4.58% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8286?

Upgrade curl on debian 11 to 7.74.0-1 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2020-8286

HIGHEPSS 91th pctl

7.5

CVSS v3

NVD

Description

curl 7.41.0 through 7.73.0 is vulnerable to an improper check for certificate revocation due to insufficient verification of the OCSP response.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

curlDebian

Fixed in:7.74.0-1CVE-2020-8286

curlUbuntu

Fixed in:7.47.0-1ubuntu2.18USN-4665-1

Fixed in:7.58.0-2ubuntu3.12USN-4665-1

Fixed in:7.68.0-1ubuntu2.4USN-4665-1

libcurl3Ubuntu

Fixed in:7.47.0-1ubuntu2.18USN-4665-1

libcurl3-gnutlsUbuntu

Fixed in:7.47.0-1ubuntu2.18USN-4665-1

Fixed in:7.58.0-2ubuntu3.12USN-4665-1

Fixed in:7.68.0-1ubuntu2.4USN-4665-1

libcurl3-nssUbuntu

Fixed in:7.47.0-1ubuntu2.18USN-4665-1

Fixed in:7.58.0-2ubuntu3.12USN-4665-1

Fixed in:7.68.0-1ubuntu2.4USN-4665-1

libcurl4Ubuntu

Fixed in:7.58.0-2ubuntu3.12USN-4665-1

Fixed in:7.68.0-1ubuntu2.4USN-4665-1

UniversalForwarderWindows application

Affected:9.0.0 9.0.6Fixed in:9.0.6Splunk, Inc.

Affected:8.2.0 8.2.12Fixed in:8.2.12Splunk, Inc.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

4.58%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Patch3

Vendor Advisory1

curl.se

Third-Party Advisory15

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2020-0601	High	8.1	89%	KEV	Fix
CVE-2009-3555	Critical	9.8	87%	-	Fix
CVE-2022-26923	High	8.8	83%	KEV	Fix
CVE-2023-27823	Critical	9.8	53%	-	-
CVE-2022-42979	High	8.8	24%	-	-

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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.