Security readout for executives and security teams
Plain-English summary
Puppet Agent 1.3.0 through versions before 1.6.0 included PXP agent behavior that passed environment variables into Puppet runs. Puppet says this could allow unauthorized code to be loaded. Treat confirmed affected agents as a configuration-management risk because Puppet can influence managed systems at scale.
Executive priority
Handle as a targeted legacy remediation item, not an emergency based on the supplied evidence. Prioritize if Puppet manages critical infrastructure or privileged automation paths, because unauthorized code loading in configuration management can amplify impact.
Technical view
CVE-2016-5713 affects Puppet Agent versions starting at 1.3.0 and fixed in 1.6.0. The issue is in the Puppet Execution Protocol agent passing environment variables through to Puppet runs, creating a path for unauthorized code loading. The provided sources do not include CVSS, CWE, prerequisites, or detailed attack conditions.
Likely exposure
Exposure is limited to environments still running Puppet Agent 1.3.0 or later but below 1.6.0, especially where PXP agent functionality is present. Current exposure should be uncommon but must be verified in legacy infrastructure inventories.
Exploitation context
The supplied bundle does not show CISA KEV listing or any cited evidence of active exploitation. It also does not provide exploit maturity, public exploit references, or attack complexity details. Do not assume exploitation without additional validated intelligence.
Researcher notes
Key missing details include CVSS, CWE, exploit prerequisites, and whether the unauthorized code-loading path requires local, remote, or authenticated access. The reliable facts are the affected version range, introduction in 1.3.0, fix in 1.6.0, and PXP environment-variable behavior.
Mitigation direction
- Upgrade affected Puppet Agent installations to version 1.6.0 or later.
- Check Puppet's advisory for any environment-specific guidance.
- Prioritize managed systems where Puppet runs with privileged operational impact.
- Remove or isolate unsupported legacy Puppet Agent deployments where upgrade is not possible.
Validation and detection
- Inventory Puppet Agent versions across servers, images, and configuration baselines.
- Flag versions from 1.3.0 up to but excluding 1.6.0.
- Confirm whether PXP agent components are installed or enabled on flagged systems.
- Verify upgraded systems report Puppet Agent 1.6.0 or later.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2016-5713 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://puppet.com/security/cve/cve-2016-5713CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.