description: Multiple WSO2 products have been identified as vulnerable due to lack of server-side input validation in the Forum feature, API rating could be manipulated.
problem types: CWE-20 Improper Input Validation
affected:
{
defaultStatus: unaffected
product: WSO2 API Manager
repo: https://github.com/wso2/product-apim
vendor: WSO2
versions:
lessThan: 2.2.0.0, status: unknown, version: 0, versionType: custom
lessThan: 2.2.0.16, status: affected, version: 2.2.0.0, versionType: custom
lessThan: 2.5.0.17, status: affected, version: 2.5.0.0, versionType: custom
lessThan: 2.6.0.24, status: affected, version: 2.6.0.0, versionType: custom
}
{
defaultStatus: unaffected
product: WSO2 IoT Server
repo: https://github.com/wso2/product-iots
vendor: WSO2
versions:
lessThan: 3.3.1.0, status: unknown, version: 0, versionType: custom
lessThan: 3.3.1.17, status: affected, version: 3.3.1.0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 4.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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/WSO2-2021-1... https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2021-1357/