SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-27018

This issue only affects clients that are configured to utilize Tenable.sc as the vulnerability data source.

HIGH 7.5EPSS 0.54%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The mechanism which performs certificate validation was discovered to have a flaw that resulted in certificates signed by an internal certificate authority to not be properly validated. This issue only affects clients that are configured to utilize Tenable.sc as the vulnerability data source.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
0.54% probability · 44th percentile
CISA KEV
Not listed
Weakness
CWE-295
Affected
puppet/remediate
Source
security@puppet.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.