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.
problem types: CWE-611 Improper Restriction of XML External Entity Reference
affected:
{
defaultStatus: unaffected
product: WSO2 API Manager
repo: https://github.com/wso2/product-apim
vendor: WSO2
versions:
lessThan: 3.0.0.0, status: unknown, version: 0, versionType: custom
lessThan: 3.0.0.1, status: affected, version: 3.0.0.0, versionType: custom
}
{
defaultStatus: unaffected
product: WSO2 API Manager Analytics
repo: https://github.com/wso2/analytics-apim
vendor: WSO2
versions:
lessThan: 2.2.0.0, status: unknown, version: 0, versionType: custom
lessThan: 2.2.0.1, status: affected, version: 2.2.0.0, versionType: custom
lessThan: 2.5.0.1, status: affected, version: 2.5.0.0, versionType: custom
}
{
defaultStatus: unaffected
product: WSO2 API Microgateway
vendor: WSO2
versions:
lessThan: 2.2.0.0, status: unknown, version: 0, versionType: custom
lessThan: 2.2.0.1, status: affected, version: 2.2.0.0, versionType: custom
}
{
defaultStatus: unaffected
product: WSO2 Enterprise Integrator
repo: https://github.com/wso2/product-ei
vendor: WSO2
versions:
lessThan: 6.0.0.2, status: unknown, version: 0, versionType: custom
lessThan: 6.0.0.3, status: affected, version: 6.0.0.0, versionType: custom
lessThan: 6.1.0.5, status: affected, version: 6.1.0.0, versionType: custom
lessThan: 6.1.1.5, status: affected, version: 6.1.1.0, versionType: custom
lessThan: 6.6.0.1, status: affected, version: 6.6.0.0, versionType: custom
}
{
defaultStatus: unaffected
product: WSO2 IS as Key Manager
vendor: WSO2
versions:
lessThan: 5.5.0.0, status: unknown, version: 0, versionType: custom
lessThan: 5.5.0.1, status: affected, version: 5.5.0.0, versionType: custom
lessThan: 5.6.0.1, status: affected, version: 5.6.0.0, versionType: custom
lessThan: 5.7.0.1, status: affected, version: 5.7.0.0, versionType: custom
lessThan: 5.9.0.1, status: affected, version: 5.9.0.0, versionType: custom
}
{
defaultStatus: unaffected
product: WSO2 Identity Server
repo: https://github.com/wso2/product-is
vendor: WSO2
versions:
lessThan: 5.4.0.0, status: unknown, version: 0, versionType: custom
lessThan: 5.4.0.1, status: affected, version: 5.4.0.0, versionType: custom
lessThan: 5.4.1.1, status: affected, version: 5.4.1.0, versionType: custom
lessThan: 5.5.0.1, status: affected, version: 5.5.0.0, versionType: custom
lessThan: 5.6.0.1, status: affected, version: 5.6.0.0, versionType: custom
}
{
defaultStatus: unaffected
product: WSO2 Micro Integrator
vendor: WSO2
versions:
lessThan: 1.0.0.0, status: unknown, version: 0, versionType: custom
lessThan: 1.0.0.1, status: affected, version: 1.0.0.0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 4.6
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: For WSO2 Subscription holders, the recommended solution is to apply the provided patch/update to the affected versions of the products. If there are any instructions given with the patch/update, please make sure those are followed properly.
Community users may apply the relevant fixes to the product based on the public fix(s) advertised in  https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2020-0716/ https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2020-0716/