MEDIUM
CVE-2021-27026
CWE-532Published: November 18, 2021· Updated: Jun 17, 2026
4.4
CVSS v3.1
Official Description
A flaw was divered in Puppet Enterprise and other Puppet products where sensitive plan parameters may be logged
Technical Analysis
CVE-2021-27026 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 4.4.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
puppet3 product(s)
puppetpuppet connectpuppet enterprise
Source: NVD CPE · 3 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://puppet.com/security/cve/cve-2021-27026Vendor Advisory
→
https://puppet.com/security/cve/cve-2021-27026Vendor Advisory
Quick Facts
CVE IDCVE-2021-27026
CVSS Score4.4 / 10
SeverityMEDIUM
WeaknessCWE-532
CISA KEVNo
Affected1 vendor(s)
PublishedNov 18, 2021
Related CVEs (CWE-532)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-27026 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.