An issue was discovered in the Security component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. A session fixation vulnerability within the "Guard" login feature may allow an attacker to impersonate a victim towards the web application if the session id value was previously known to the attacker.
{
"versions": [
{
"introduced": "2.7.0"
},
{
"fixed": "2.7.48"
},
{
"introduced": "2.8.0"
},
{
"fixed": "2.8.41"
},
{
"introduced": "3.3.0"
},
{
"fixed": "3.3.17"
},
{
"introduced": "3.4.0"
},
{
"fixed": "3.4.11"
},
{
"introduced": "4.0.0"
},
{
"fixed": "4.0.11"
},
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
}