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CVE Record

CVE-2018-20737: An issue was discovered in WSO2 API Manager 2.1.0 and 2.6.0.

An issue was discovered in WSO2 API Manager 2.1.0 and 2.6.0. Reflected XSS exists in the carbon part of the product.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2018-20737 is a reflected cross-site scripting issue in WSO2 API Manager. In business terms, a user interacting with a vulnerable management interface could be exposed to browser-side script execution. The provided sources identify WSO2 API Manager 2.1.0 and 2.6.0, but do not provide CVSS scoring.

Executive priority

Treat this as a targeted remediation item, not an emergency based on the supplied evidence. Prioritize if affected WSO2 API Manager versions remain in use or management interfaces are exposed beyond trusted administrators.

Technical view

The CVE describes reflected XSS in the Carbon portion of WSO2 API Manager 2.1.0 and 2.6.0. The source bundle references an Excellium advisory, a WSO2-related code change, and WSO2 API Manager security patch releases. No CWE, CVSS vector, or detailed exploit preconditions are supplied in the bundle.

Likely exposure

Exposure is most likely in organizations still running WSO2 API Manager 2.1.0 or 2.6.0, especially where Carbon or management interfaces are reachable by administrators or other users. The bundle does not confirm other affected versions.

Exploitation context

The provided data does not show CISA KEV listing or active exploitation. Reflected XSS usually requires a victim interaction path, but the bundle does not specify authentication requirements, affected endpoints, or exploit maturity.

Researcher notes

The record is sparse: affected versions are named in the description, while structured affected data is not useful. Avoid expanding scope beyond WSO2 API Manager 2.1.0 and 2.6.0 without vendor confirmation. Validate patch applicability through WSO2 sources.

Mitigation direction

  • Identify any WSO2 API Manager 2.1.0 or 2.6.0 deployments.
  • Review WSO2 API Manager security patch releases for applicable vendor patches.
  • Apply vendor-supported fixes or upgrade guidance where available.
  • Restrict access to Carbon management interfaces to trusted networks and users.
  • Review browser-side security controls as defense-in-depth, not as a primary fix.

Validation and detection

  • Confirm installed WSO2 API Manager versions across production and staging.
  • Check whether Carbon management paths are externally reachable.
  • Verify whether WSO2 security patches for this CVE are installed.
  • Review application security test results for reflected XSS findings.
  • Look for user reports or logs suggesting suspicious management-interface links.
Prepared
Confidence
medium
Sources
5

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

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CVE-2018-20737 mapping review

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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
4Source 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.