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CVE Record

CVE-2018-11137: The 'checksum' parameter of the '/common/download_attachment.php' script in the Quest KACE System Managemen...

The 'checksum' parameter of the '/common/download_attachment.php' script in the Quest KACE System Management Appliance 8.0.318 can be abused to read arbitrary files with 'www' privileges via Directory Traversal. No administrator privileges are needed to execute this script.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2018-11137 lets a non-admin user abuse a Quest KACE SMA download script to read files the web server account can access. That can expose configuration, secrets, or operational data from the appliance. The source bundle names Quest KACE System Management Appliance 8.0.318 only.

Executive priority

Treat as high priority if any Quest KACE SMA 8.0.318 instance is reachable by broad internal users or the internet. The main business risk is unauthorized disclosure of appliance files that may contain credentials, configuration, or operational intelligence.

Technical view

The issue is a directory traversal flaw in the checksum parameter of /common/download_attachment.php on Quest KACE System Management Appliance 8.0.318. The script can be abused to read arbitrary files with www privileges. The provided record does not include CVSS, CWE, confirmed patch details, or broader affected versions.

Likely exposure

Exposure is likely limited to Quest KACE System Management Appliance 8.0.318 based on the supplied sources. Risk is higher where the appliance is reachable by untrusted users or the internet. The bundle does not prove other versions are affected.

Exploitation context

The CVE states no administrator privileges are needed to execute the vulnerable script. CISA KEV is false, and the provided sources do not state active exploitation. Public technical advisory coverage exists, but evidence here is incomplete on exploit prevalence.

Researcher notes

Do not assume authentication bypass or affected versions beyond 8.0.318 from this bundle. Focus validation on version identification, endpoint exposure, file-read impact under www privileges, and whether vendor remediation exists in the Core Security or Quest guidance.

Mitigation direction

  • Check Quest/KACE vendor guidance for fixed versions and upgrade direction.
  • Restrict appliance access to trusted administrative networks.
  • Remove any unnecessary internet exposure for the SMA interface.
  • Review web server permissions and sensitive files readable by www.
  • Monitor for suspicious access to /common/download_attachment.php.

Validation and detection

  • Inventory Quest KACE SMA instances and confirm exact versions.
  • Confirm whether version 8.0.318 is present in production or backups.
  • Review access logs for unusual download_attachment.php checksum requests.
  • Verify the appliance is not exposed to untrusted networks.
  • Document vendor patch status or compensating controls.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

description · low confidence lookup

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.

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cve · low confidence lookup

CVE-2018-11137 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.