LiveActive security incident?Get immediate response
CVE Record

CVE-2018-20094: An issue was discovered in XXL-CONF 1.6.0.

An issue was discovered in XXL-CONF 1.6.0. There is a path traversal vulnerability via ../ in the keys parameter that can download any configuration file, related to ConfController.java and PropUtil.java.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

XXL-CONF 1.6.0 has a path traversal flaw that can let a requester download configuration files outside the intended scope. For leaders, the concern is exposure of secrets or operational settings, not service disruption. The public data does not provide a CVSS score, patch details, or evidence of active exploitation.

Executive priority

Treat this as a focused exposure-reduction item. Prioritize systems where XXL-CONF is internet-facing or stores secrets in configuration files. Urgency increases if logs show suspicious configuration download requests.

Technical view

The CVE describes a path traversal issue in the keys parameter using traversal sequences, related to ConfController.java and PropUtil.java. The reported impact is downloading arbitrary configuration files. Available sources identify XXL-CONF 1.6.0 but do not provide full affected-version ranges, CVSS scoring, or confirmed remediation details.

Likely exposure

Exposure is likely limited to organizations running XXL-CONF 1.6.0, especially where its configuration download functionality is reachable by users, services, or the internet. The source bundle does not identify other affected versions or products.

Exploitation context

CISA KEV status is false, and the provided sources do not claim active exploitation. The issue is still operationally important because configuration files often contain secrets, service endpoints, credentials, or deployment details.

Researcher notes

Evidence is sparse. The CVE record and linked GitHub issue identify the vulnerable component and behavior, but no CVSS, CWE, patch, exploit maturity, or broad affected-version range is provided in the supplied bundle.

Mitigation direction

  • Identify all XXL-CONF deployments and confirm whether version 1.6.0 is present.
  • Check upstream vendor guidance and release history for official remediation details.
  • Restrict access to XXL-CONF interfaces to trusted users and networks.
  • Remove exposed XXL-CONF 1.6.0 instances from internet-facing routes where possible.
  • Rotate secrets if logs or evidence suggest configuration files were accessed.

Validation and detection

  • Inventory deployed XXL-CONF versions across production, staging, and internal environments.
  • Confirm the keys parameter cannot access files outside intended configuration paths.
  • Review application and proxy logs for abnormal keys parameter traversal markers.
  • Assess whether downloaded configuration files contained credentials or sensitive operational data.
  • Document exposure decisions and compensating controls for any remaining 1.6.0 deployments.
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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2018-20094 mapping review

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

Open ATT&CK lookup
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.