Is CVE-2021-27023 in the CISA KEV catalog?

No. CVE-2021-27023 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27023?

CVE-2021-27023 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-27023?

CVE-2021-27023 has an EPSS score of 1.33% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-27023?

Upgrade puppet agent to 7.12.1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-27023

CRITICAL

9.8

CVSS v3

NVD

Description

A flaw was discovered in Puppet Agent and Puppet Server that may result in a leak of HTTP credentials when following HTTP redirects to a different host. This is similar to CVE-2018-1000007

How to fix

Remediation Available

puppet agentNVD

Affected:>= 7.0.0, < 7.12.1Fixed in:7.12.1CVE-2021-27023derived from NVD

puppet enterpriseNVD

Affected:>= 2021.0.0, < 2021.4Fixed in:2021.4CVE-2021-27023derived from NVD

puppet serverNVD

Affected:>= 7.0.0, < 7.4.2Fixed in:7.4.2CVE-2021-27023derived 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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.33%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Vendor Advisory1

puppet.com

Other references1

lists.fedoraproject.org

Embed a live status badge for CVE-2021-27023

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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.