Jenkins SAML Single Sign On(SSO) Plugin 2.1.0 and earlier unconditionally disables SSL/TLS certificate validation for connections to miniOrange or the configured IdP to retrieve SAML metadata, which could be abused using a man-in-the-middle attack to intercept these connections.
[
{
"defaultStatus": "unaffected",
"product": "Jenkins SAML Single Sign On(SSO) Plugin",
"vendor": "Jenkins Project",
"versions": [
{
"lessThanOrEqual": "2.1.0",
"status": "affected",
"version": "0",
"versionType": "maven"
}
]
}
]