Jenkins before 2.3 and LTS before 1.651.2 allows remote authenticated users to trigger updating of update site metadata by leveraging a missing permissions check. NOTE: this issue can be combined with DNS cache poisoning to cause a denial of service (service disruption).
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "1.651.1"
},
{
"introduced": "0"
},
{
"last_affected": "2.2"
},
{
"introduced": "0"
},
{
"last_affected": "3.1"
}
]
}