CVE-2018-6508

Puppet Enterprise 2017.3.x prior to 2017.3.3 are vulnerable to a remote execution bug when a specially crafted string was passed into the facter_task or puppet_conf tasks. This vulnerability only affects tasks in the affected modules, if you are not using puppet tasks you are not affected by this vulnerability.

Published: 2018-02-09 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-6508 is rated Moderate Risk (58.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.91%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-6508

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-08-26 0.95% 0.91% -0.05%
2 2025-03-30 2.08% 0.95% -1.13%
3 2025-03-29 — 2.08% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-6508

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.0 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.1 5.9 [email protected]
6.0 2.0 MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 6.8 6.4 [email protected]

Weakness enumeration for CVE-2018-6508

OS Trackers for CVE-2018-6508

vendor priority summary link
debian unimportant CVE-2018-6508 unimportant priority: Debian including 3 source packages (puppet-module-puppetlabs-apache, puppet-module-puppetlabs-apt, puppet-module-puppetlabs-mysql), 12 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 12. https://security-tracker.debian.org/tracker/CVE-2018-6508
redhat high — https://access.redhat.com/security/cve/CVE-2018-6508
ubuntu medium CVE-2018-6508 medium priority: Ubuntu including 3 source packages (puppet-module-puppetlabs-apache, puppet-module-puppetlabs-apt, puppet-module-puppetlabs-mysql), 60 status rows across 20 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 36, needs-triage 21, DNE 3. https://ubuntu.com/security/CVE-2018-6508

Affected software / configurations for CVE-2018-6508

Vendor Product Version Raw CPE
puppet puppet_enterprise >= 2017.3.0, <= 2017.3.2 cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*

References for CVE-2018-6508

URL Tags
http://www.securityfocus.com/bid/103020 Third Party Advisory VDB Entry
https://puppet.com/security/cve/CVE-2018-6508 Vendor Advisory
cvelogic Threat Intelligence