Vulnerability Name:

CVE-2021-27025 (CCN-213739)

Assigned:2021-11-09
Published:2021-11-09
Updated:2022-01-24
Summary:A flaw was discovered in Puppet Agent where the agent may silently ignore Augeas settings or may be vulnerable to a Denial of Service condition prior to the first 'pluginsync'.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)
5.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-27025

Source: XF
Type: UNKNOWN
puppet-cve202127025-dos(213739)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-1c0e788093

Source: CCN
Type: Puppet Web site
CVE-2021-27025 - Silent Configuration Failure

Source: MISC
Type: Vendor Advisory
https://puppet.com/security/cve/cve-2021-27025

Vulnerable Configuration:Configuration 1:
  • cpe:/a:puppet:puppet_enterprise:*:*:*:*:*:*:*:* (Version < 2019.8.9)
  • OR cpe:/a:puppet:puppet:*:*:*:*:enterprise:*:*:* (Version >= 2021.0.0 and < 2021.4.0)
  • OR cpe:/a:puppet:puppet_agent:*:*:*:*:*:*:*:* (Version >= 5.5.0 and <= 5.5.22)
  • OR cpe:/a:puppet:puppet_agent:*:*:*:*:*:*:*:* (Version < 6.25.1)
  • OR cpe:/a:puppet:puppet_agent:*:*:*:*:*:*:*:* (Version >= 7.0.0 and < 7.12.1)

  • Configuration 2:
  • cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:puppet:puppet:*:*:*:*:enterprise:*:*:*
  • OR cpe:/a:puppet:puppet_agent:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    puppet puppet enterprise *
    puppet puppet *
    puppet puppet agent *
    puppet puppet agent *
    puppet puppet agent *
    fedoraproject fedora 35
    puppet puppet *
    puppet puppet agent *