Is CVE-2020-27846 in the CISA KEV catalog?

No. CVE-2020-27846 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-27846?

CVE-2020-27846 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2020-27846?

CVE-2020-27846 has an EPSS score of 4.87% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-27846?

Upgrade GrafanaEnterprise to 7.2.3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-27846

CRITICALEPSS 91th pctl

9.8

CVSS v3

NVD

Description

A signature verification vulnerability exists in crewjam/saml. This flaw allows an attacker to bypass SAML Authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CWE-115

How to fix

Remediation Available

GrafanaEnterpriseWindows application

Affected:7.0.0 7.2.3Fixed in:7.2.3Grafana Labs

Affected:7.3.0 7.3.6Fixed in:7.3.6Grafana Labs

Affected:6.7.5Fixed in:6.7.5Grafana Labs

GrafanaOSSWindows application

Affected:7.3.0 7.3.6Fixed in:7.3.6Grafana Labs

Affected:6.7.5Fixed in:6.7.5Grafana Labs

Affected:7.0.0 7.2.3Fixed in:7.2.3Grafana Labs

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

4.87%probability of exploitation in 30 days

91stpercentile

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

References

Patch1

bugzilla.redhat.com

Exploit1

mattermost.com

Vendor Advisory1

grafana.com

Third-Party Advisory2

Other references2

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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.