Security readout for executives and security teams
Plain-English summary
CVE-2018-11141 affects Quest KACE System Management Virtual Appliance 8.0.318. The issue lets vulnerable administrative web parameters write or delete files through directory traversal, limited to locations writable by the web server user. That can affect appliance integrity and operations, but the provided sources do not confirm active exploitation or a specific patch.
Executive priority
Treat as a high-priority legacy appliance risk if Quest KACE SMA 8.0.318 is present. Prioritize inventory, network restriction, and vendor-supported upgrade or remediation. Urgency is lower if the product is absent or the admin UI is tightly isolated.
Technical view
The vulnerability is in /adminui/advisory.php. The IMAGES_JSON parameter can be abused for file write, and attachments_to_remove[] for file deletion, using directory traversal. The write/delete scope is any path where the www user has permissions. Authentication requirements, CVSS, CWE mapping, and fixed versions are not provided in the source bundle.
Likely exposure
Likely exposure is limited to organizations running Quest KACE System Management Virtual Appliance 8.0.318, especially where the admin UI is reachable by untrusted users or networks. The source bundle does not identify other affected versions or products.
Exploitation context
The CVE describes abusive parameter handling that can write and delete files. The source bundle marks KEV as false and provides no cited evidence of active exploitation, public exploit use, or exploitation prerequisites.
Researcher notes
Evidence is narrow but concrete: two parameters in /adminui/advisory.php are tied to directory traversal-based file write and deletion. The bundle lacks CVSS, CWE, authentication context, fixed-version details, and exploit telemetry, so validation should focus on exposure and vendor advisory confirmation.
Mitigation direction
- Identify any Quest KACE System Management Virtual Appliance 8.0.318 deployments.
- Check Quest/Core Security guidance for fixed versions or vendor-approved remediation.
- Restrict administrative UI access to trusted management networks only.
- Review www-user writable paths and remove unnecessary write permissions.
- Back up appliance configuration and critical files before remediation.
Validation and detection
- Confirm deployed Quest KACE appliance version and build number.
- Verify /adminui access is not exposed to the public internet.
- Review logs for suspicious advisory.php requests or unexpected file changes.
- Check appliance filesystems for unauthorized writes or deletions in www-writable paths.
- Confirm remediation status against vendor advisory guidance.
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.
File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-11141 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://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilitiesCVE reference · x_refsource_MISC
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.