Moodle Affected by Improper Restriction of Excessive Authentication Attempts
The advisory, in context
A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation email service. This vulnerability allows attackers to more easily enumerate or guess user credentials, facilitating brute-force attacks against user accounts.
Affected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
Earlier releases before 4.1.22
Fixed in 4.1.22
354 explicitly affected versions
v2.3.10, v2.3.11, v2.3.4, v2.3.5, v2.3.6, v2.3.7, v2.3.8, v2.3.9, v2.4.0, v2.4.0-rc1, v2.4.1, v2.4.10, v2.4.11, v2.4.2, v2.4.3, v2.4.4, v2.4.5, v2.4.6, v2.4.7, v2.4.8, v2.4.9, v2.5.0, v2.5.0-beta, v2.5.0-rc1, v2.5.1, v2.5.2, v2.5.3, v2.5.4, v2.5.5, v2.5.6, v2.5.7, v2.5.8, v2.5.9, v2.6.0, v2.6.0-beta, v2.6.0-rc1, v2.6.1, v2.6.10, v2.6.11, v2.6.2, v2.6.3, v2.6.4, v2.6.5, v2.6.6, v2.6.7, v2.6.8, v2.6.9, v2.7.0, v2.7.0-beta, v2.7.0-rc1, v2.7.0-rc2, v2.7.1, v2.7.10, v2.7.11, v2.7.12, v2.7.13, v2.7.14, v2.7.15, v2.7.16, v2.7.17, v2.7.18, v2.7.19, v2.7.2, v2.7.20, v2.7.3, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.0-beta, v2.8.0-rc1, v2.8.0-rc2, v2.8.1, v2.8.10, v2.8.11, v2.8.12, v2.8.2, v2.8.3, v2.8.4, v2.8.5, v2.8.6, v2.8.7, v2.8.8, v2.8.9, v2.9.0, v2.9.0-beta, v2.9.0-rc1, v2.9.0-rc2, v2.9.1, v2.9.2, v2.9.3, v2.9.4, v2.9.5, v2.9.6, v2.9.7, v2.9.8, v2.9.9, v3.0.0, v3.0.0-beta, v3.0.0-rc1, v3.0.0-rc2, v3.0.0-rc3, v3.0.0-rc4, v3.0.1, v3.0.10, v3.0.2, v3.0.3, v3.0.4, v3.0.5, v3.0.6, v3.0.7, v3.0.8, v3.0.9, v3.1.0, v3.1.0-beta, v3.1.0-rc1, v3.1.0-rc2, v3.1.1, v3.1.10, v3.1.11, v3.1.12, v3.1.13, v3.1.14, v3.1.15, v3.1.16, v3.1.17, v3.1.18, v3.1.2, v3.1.3, v3.1.4, v3.1.5, v3.1.6, v3.1.7, v3.1.8, v3.1.9, v3.10.0, v3.10.0-beta, v3.10.0-rc1, v3.10.0-rc2, v3.10.1, v3.10.10, v3.10.11, v3.10.2, v3.10.3, v3.10.4, v3.10.5, v3.10.6, v3.10.7, v3.10.8, v3.10.9, v3.11.0, v3.11.0-beta, v3.11.0-rc1, v3.11.0-rc2, v3.11.1, v3.11.10, v3.11.11, v3.11.12, v3.11.13, v3.11.14, v3.11.15, v3.11.16, v3.11.17, v3.11.18, v3.11.2, v3.11.3, v3.11.4, v3.11.5, v3.11.6, v3.11.7, v3.11.8, v3.11.9, v3.2.0, v3.2.0-beta, v3.2.0-rc1, v3.2.0-rc2, v3.2.0-rc3, v3.2.0-rc4, v3.2.0-rc5, v3.2.1, v3.2.2, v3.2.3, v3.2.4, v3.2.5, v3.2.6, v3.2.7, v3.2.8, v3.2.9, v3.3.0, v3.3.0-beta, v3.3.0-rc1, v3.3.0-rc2, v3.3.0-rc3, v3.3.1, v3.3.2, v3.3.3, v3.3.4, v3.3.5, v3.3.6, v3.3.7, v3.3.8, v3.3.9, v3.4.0, v3.4.0-beta, v3.4.0-rc1, v3.4.0-rc2, v3.4.0-rc3, v3.4.1, v3.4.2, v3.4.3, v3.4.4, v3.4.5, v3.4.6, v3.4.7, v3.4.8, v3.4.9, v3.5.0, v3.5.0-beta, v3.5.0-rc1, v3.5.1, v3.5.10, v3.5.11, v3.5.12, v3.5.13, v3.5.14, v3.5.15, v3.5.16, v3.5.17, v3.5.18, v3.5.2, v3.5.3, v3.5.4, v3.5.5, v3.5.6, v3.5.7, v3.5.8, v3.5.9, v3.6.0, v3.6.0-beta, v3.6.0-rc1, v3.6.0-rc2, v3.6.0-rc3, v3.6.1, v3.6.10, v3.6.2, v3.6.3, v3.6.4, v3.6.5, v3.6.6, v3.6.7, v3.6.8, v3.6.9, v3.7.0, v3.7.0-beta, v3.7.0-rc1, v3.7.0-rc2, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.7.5, v3.7.6, v3.7.7, v3.7.8, v3.7.9, v3.8.0, v3.8.0-beta, v3.8.0-rc1, v3.8.1, v3.8.2, v3.8.3, v3.8.4, v3.8.5, v3.8.6, v3.8.7, v3.8.8, v3.8.9, v3.9.0, v3.9.0-beta, v3.9.0-rc1, v3.9.0-rc2, v3.9.0-rc3, v3.9.1, v3.9.10, v3.9.11, v3.9.12, v3.9.13, v3.9.14, v3.9.15, v3.9.16, v3.9.17, v3.9.18, v3.9.19, v3.9.2, v3.9.20, v3.9.21, v3.9.22, v3.9.23, v3.9.24, v3.9.25, v3.9.3, v3.9.4, v3.9.5, v3.9.6, v3.9.7, v3.9.8, v3.9.9, v4.0.0, v4.0.0-beta, v4.0.0-rc1, v4.0.0-rc2, v4.0.0-rc3, v4.0.0-rc4, v4.0.1, v4.0.10, v4.0.11, v4.0.12, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.0.6, v4.0.7, v4.0.8, v4.0.9, v4.1.0, v4.1.0-beta, v4.1.0-rc1, v4.1.0-rc2, v4.1.0-rc3, v4.1.1, v4.1.10, v4.1.11, v4.1.12, v4.1.13, v4.1.14, v4.1.15, v4.1.16, v4.1.17, v4.1.18, v4.1.19, v4.1.2, v4.1.20, v4.1.21, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.1.22"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v2.3.10",
"v2.3.11",
"v2.3.4",
"v2.3.5",
"v2.3.6",
"v2.3.7",
"v2.3.8",
"v2.3.9",
"v2.4.0",
"v2.4.0-rc1",
"v2.4.1",
"v2.4.10",
"v2.4.11",
"v2.4.2",
"v2.4.3",
"v2.4.4",
"v2.4.5",
"v2.4.6",
"v2.4.7",
"v2.4.8",
"v2.4.9",
"v2.5.0",
"v2.5.0-beta",
"v2.5.0-rc1",
"v2.5.1",
"v2.5.2",
"v2.5.3",
"v2.5.4",
"v2.5.5",
"v2.5.6",
"v2.5.7",
"v2.5.8",
"v2.5.9",
"v2.6.0",
"v2.6.0-beta",
"v2.6.0-rc1",
"v2.6.1",
"v2.6.10",
"v2.6.11",
"v2.6.2",
"v2.6.3",
"v2.6.4",
"v2.6.5",
"v2.6.6",
"v2.6.7",
"v2.6.8",
"v2.6.9",
"v2.7.0",
"v2.7.0-beta",
"v2.7.0-rc1",
"v2.7.0-rc2",
"v2.7.1",
"v2.7.10",
"v2.7.11",
"v2.7.12",
"v2.7.13",
"v2.7.14",
"v2.7.15",
"v2.7.16",
"v2.7.17",
"v2.7.18",
"v2.7.19",
"v2.7.2",
"v2.7.20",
"v2.7.3",
"v2.7.4",
"v2.7.5",
"v2.7.6",
"v2.7.7",
"v2.7.8",
"v2.7.9",
"v2.8.0",
"v2.8.0-beta",
"v2.8.0-rc1",
"v2.8.0-rc2",
"v2.8.1",
"v2.8.10",
"v2.8.11",
"v2.8.12",
"v2.8.2",
"v2.8.3",
"v2.8.4",
"v2.8.5",
"v2.8.6",
"v2.8.7",
"v2.8.8",
"v2.8.9",
"v2.9.0",
"v2.9.0-beta",
"v2.9.0-rc1",
"v2.9.0-rc2",
"v2.9.1",
"v2.9.2",
"v2.9.3",
"v2.9.4",
"v2.9.5",
"v2.9.6",
"v2.9.7",
"v2.9.8",
"v2.9.9",
"v3.0.0",
"v3.0.0-beta",
"v3.0.0-rc1",
"v3.0.0-rc2",
"v3.0.0-rc3",
"v3.0.0-rc4",
"v3.0.1",
"v3.0.10",
"v3.0.2",
"v3.0.3",
"v3.0.4",
"v3.0.5",
"v3.0.6",
"v3.0.7",
"v3.0.8",
"v3.0.9",
"v3.1.0",
"v3.1.0-beta",
"v3.1.0-rc1",
"v3.1.0-rc2",
"v3.1.1",
"v3.1.10",
"v3.1.11",
"v3.1.12",
"v3.1.13",
"v3.1.14",
"v3.1.15",
"v3.1.16",
"v3.1.17",
"v3.1.18",
"v3.1.2",
"v3.1.3",
"v3.1.4",
"v3.1.5",
"v3.1.6",
"v3.1.7",
"v3.1.8",
"v3.1.9",
"v3.10.0",
"v3.10.0-beta",
"v3.10.0-rc1",
"v3.10.0-rc2",
"v3.10.1",
"v3.10.10",
"v3.10.11",
"v3.10.2",
"v3.10.3",
"v3.10.4",
"v3.10.5",
"v3.10.6",
"v3.10.7",
"v3.10.8",
"v3.10.9",
"v3.11.0",
"v3.11.0-beta",
"v3.11.0-rc1",
"v3.11.0-rc2",
"v3.11.1",
"v3.11.10",
"v3.11.11",
"v3.11.12",
"v3.11.13",
"v3.11.14",
"v3.11.15",
"v3.11.16",
"v3.11.17",
"v3.11.18",
"v3.11.2",
"v3.11.3",
"v3.11.4",
"v3.11.5",
"v3.11.6",
"v3.11.7",
"v3.11.8",
"v3.11.9",
"v3.2.0",
"v3.2.0-beta",
"v3.2.0-rc1",
"v3.2.0-rc2",
"v3.2.0-rc3",
"v3.2.0-rc4",
"v3.2.0-rc5",
"v3.2.1",
"v3.2.2",
"v3.2.3",
"v3.2.4",
"v3.2.5",
"v3.2.6",
"v3.2.7",
"v3.2.8",
"v3.2.9",
"v3.3.0",
"v3.3.0-beta",
"v3.3.0-rc1",
"v3.3.0-rc2",
"v3.3.0-rc3",
"v3.3.1",
"v3.3.2",
"v3.3.3",
"v3.3.4",
"v3.3.5",
"v3.3.6",
"v3.3.7",
"v3.3.8",
"v3.3.9",
"v3.4.0",
"v3.4.0-beta",
"v3.4.0-rc1",
"v3.4.0-rc2",
"v3.4.0-rc3",
"v3.4.1",
"v3.4.2",
"v3.4.3",
"v3.4.4",
"v3.4.5",
"v3.4.6",
"v3.4.7",
"v3.4.8",
"v3.4.9",
"v3.5.0",
"v3.5.0-beta",
"v3.5.0-rc1",
"v3.5.1",
"v3.5.10",
"v3.5.11",
"v3.5.12",
"v3.5.13",
"v3.5.14",
"v3.5.15",
"v3.5.16",
"v3.5.17",
"v3.5.18",
"v3.5.2",
"v3.5.3",
"v3.5.4",
"v3.5.5",
"v3.5.6",
"v3.5.7",
"v3.5.8",
"v3.5.9",
"v3.6.0",
"v3.6.0-beta",
"v3.6.0-rc1",
"v3.6.0-rc2",
"v3.6.0-rc3",
"v3.6.1",
"v3.6.10",
"v3.6.2",
"v3.6.3",
"v3.6.4",
"v3.6.5",
"v3.6.6",
"v3.6.7",
"v3.6.8",
"v3.6.9",
"v3.7.0",
"v3.7.0-beta",
"v3.7.0-rc1",
"v3.7.0-rc2",
"v3.7.1",
"v3.7.2",
"v3.7.3",
"v3.7.4",
"v3.7.5",
"v3.7.6",
"v3.7.7",
"v3.7.8",
"v3.7.9",
"v3.8.0",
"v3.8.0-beta",
"v3.8.0-rc1",
"v3.8.1",
"v3.8.2",
"v3.8.3",
"v3.8.4",
"v3.8.5",
"v3.8.6",
"v3.8.7",
"v3.8.8",
"v3.8.9",
"v3.9.0",
"v3.9.0-beta",
"v3.9.0-rc1",
"v3.9.0-rc2",
"v3.9.0-rc3",
"v3.9.1",
"v3.9.10",
"v3.9.11",
"v3.9.12",
"v3.9.13",
"v3.9.14",
"v3.9.15",
"v3.9.16",
"v3.9.17",
"v3.9.18",
"v3.9.19",
"v3.9.2",
"v3.9.20",
"v3.9.21",
"v3.9.22",
"v3.9.23",
"v3.9.24",
"v3.9.25",
"v3.9.3",
"v3.9.4",
"v3.9.5",
"v3.9.6",
"v3.9.7",
"v3.9.8",
"v3.9.9",
"v4.0.0",
"v4.0.0-beta",
"v4.0.0-rc1",
"v4.0.0-rc2",
"v4.0.0-rc3",
"v4.0.0-rc4",
"v4.0.1",
"v4.0.10",
"v4.0.11",
"v4.0.12",
"v4.0.2",
"v4.0.3",
"v4.0.4",
"v4.0.5",
"v4.0.6",
"v4.0.7",
"v4.0.8",
"v4.0.9",
"v4.1.0",
"v4.1.0-beta",
"v4.1.0-rc1",
"v4.1.0-rc2",
"v4.1.0-rc3",
"v4.1.1",
"v4.1.10",
"v4.1.11",
"v4.1.12",
"v4.1.13",
"v4.1.14",
"v4.1.15",
"v4.1.16",
"v4.1.17",
"v4.1.18",
"v4.1.19",
"v4.1.2",
"v4.1.20",
"v4.1.21",
"v4.1.3",
"v4.1.4",
"v4.1.5",
"v4.1.6",
"v4.1.7",
"v4.1.8",
"v4.1.9"
]
}From 4.4.0-beta before 4.4.12
Fixed in 4.4.12
15 explicitly affected versions
v4.4.0, v4.4.0-beta, v4.4.0-rc1, v4.4.0-rc2, v4.4.1, v4.4.10, v4.4.11, v4.4.2, v4.4.3, v4.4.4, v4.4.5, v4.4.6, v4.4.7, v4.4.8, v4.4.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "4.4.0-beta"
},
{
"fixed": "4.4.12"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v4.4.0",
"v4.4.0-beta",
"v4.4.0-rc1",
"v4.4.0-rc2",
"v4.4.1",
"v4.4.10",
"v4.4.11",
"v4.4.2",
"v4.4.3",
"v4.4.4",
"v4.4.5",
"v4.4.6",
"v4.4.7",
"v4.4.8",
"v4.4.9"
]
}From 4.5.0-beta before 4.5.8
Fixed in 4.5.8
11 explicitly affected versions
v4.5.0, v4.5.0-beta, v4.5.0-rc1, v4.5.0-rc2, v4.5.1, v4.5.2, v4.5.3, v4.5.4, v4.5.5, v4.5.6, v4.5.7
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "4.5.0-beta"
},
{
"fixed": "4.5.8"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v4.5.0",
"v4.5.0-beta",
"v4.5.0-rc1",
"v4.5.0-rc2",
"v4.5.1",
"v4.5.2",
"v4.5.3",
"v4.5.4",
"v4.5.5",
"v4.5.6",
"v4.5.7"
]
}From 5.0.0-beta before 5.0.4
Fixed in 5.0.4
8 explicitly affected versions
v5.0.0, v5.0.0-beta, v5.0.0-rc1, v5.0.0-rc2, v5.0.0-rc3, v5.0.1, v5.0.2, v5.0.3
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "5.0.0-beta"
},
{
"fixed": "5.0.4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v5.0.0",
"v5.0.0-beta",
"v5.0.0-rc1",
"v5.0.0-rc2",
"v5.0.0-rc3",
"v5.0.1",
"v5.0.2",
"v5.0.3"
]
}From 5.1.0-beta before 5.1.1
Fixed in 5.1.1
4 explicitly affected versions
v5.1.0, v5.1.0-beta, v5.1.0-rc1, v5.1.0-rc2
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "5.1.0-beta"
},
{
"fixed": "5.1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"v5.1.0",
"v5.1.0-beta",
"v5.1.0-rc1",
"v5.1.0-rc2"
]
}