Security readout for executives and security teams
Plain-English summary
CVE-2017-16641 affects Cacti 1.1.27. A logged-in administrator can change a Cacti setting in a way that lets them run operating system commands on the server. This is serious where Cacti administrators are not fully trusted or where admin accounts could be compromised.
Executive priority
Prioritize remediation for any production Cacti 1.1.27 instance, especially if reachable from the internet or administered by many users. The risk is not broad unauthenticated takeover, but it can turn admin access into server-level command execution.
Technical view
The issue is in Cacti lib/rrd.php. The provided CVE description says authenticated remote administrators can execute arbitrary OS commands through the path_rrdtool parameter during a settings.php save action. No CVSS, CWE, patch version, or detailed fix is included in the supplied sources.
Likely exposure
Exposure is limited to Cacti 1.1.27 systems where an attacker has valid administrator access, or can compromise an administrator session. Internet-exposed Cacti admin portals increase business risk.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation evidence. The attack requires authenticated administrator privileges, but successful abuse can cross from application administration into host operating system command execution.
Researcher notes
Evidence is sparse in the supplied bundle. The core claim is authenticated administrator command execution via path_rrdtool in settings.php. Avoid assuming affected versions beyond Cacti 1.1.27 or claiming a fixed release without checking vendor records.
Mitigation direction
- Inventory Cacti deployments and identify any running version 1.1.27.
- Restrict Cacti administrator access to trusted users and trusted networks.
- Review Cacti vendor guidance or release notes for the appropriate fixed version.
- Upgrade or apply vendor-recommended remediation when confirmed.
- Review administrator accounts and remove unnecessary privileges.
Validation and detection
- Confirm whether any Cacti instance is running version 1.1.27.
- Review who has Cacti administrator access on affected systems.
- Check logs for unexpected Cacti settings changes around rrdtool path configuration.
- Verify the Cacti admin interface is not exposed to untrusted networks.
- Confirm remediation status against vendor documentation.
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
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CVE-2017-16641 mapping review
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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://github.com/Cacti/cacti/issues/1057CVE 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.