CVE intelligence and bounded remediation

CVE-2018-2502 — TRACE method is enabled in SAP Business One Service Layer

Medium CVSS 6.1

TRACE method is enabled in SAP Business One Service Layer . Attacker can use XST (Cross Site Tracing) attack if frontend applications that are using Service Layer has a XSS vulnerability. This has been fixed in SAP Business One Service Layer (B1_ON_HANA, versions 9.2, 9.3).

Severity
Medium
CVSS
6.1 (3.0)
Published
2018-12-11
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-79

Affected products

  • sap / business_one_on_hana / 9.2
  • sap / business_one_on_hana / 9.3

Matched remediation archetype

Cross-site scripting and unsafe browser output

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Check exposure

  • Trace reflected, stored, and DOM-derived untrusted values into HTML, attributes, URLs, styles, scripts, and client-side template sinks.
  • Identify affected origins, authenticated user roles, sensitive browser capabilities, and where content is shared across tenants.
  • Review framework escaping, rich-text sanitization, legacy templates, and client-side rendering paths.

Remediate safely

  • Use context-aware framework output encoding and safe DOM APIs; keep untrusted data out of executable contexts.
  • Sanitize intentionally supported markup with a maintained allowlist policy and validate URLs and attributes separately.
  • Update affected rendering components and add tests for every output context using inert sentinel markup.

Authoritative sources

Complete CVE record and remediation plan

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