Is CVE-2021-27021 in the CISA KEV catalog?

No. CVE-2021-27021 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27021?

CVE-2021-27021 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-27021?

CVE-2021-27021 has an EPSS score of 1.26% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-27021?

Upgrade puppetdb on debian 12 to 7.11.2-2 or later.

CVE & CISA-KEV Catalog

CVE-2021-27021

HIGH

8.8

CVSS v3

NVD

Description

A flaw was discovered in Puppet DB, this flaw results in an escalation of privileges which allows the user to delete tables via an SQL query.

CWE-1027 CWE-89SQL Injection

How to fix

Remediation Available

puppetdbDebian

Fixed in:7.11.2-2CVE-2021-27021

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.26%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Vendor Advisory1

puppet.com

Related Vulnerabilities

Other CWE-1027 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-59874	High	8.1	0.3%	-	-

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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.