Security advisory
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable Auth). Supported versions that are affected are 5.7.30 and prior and 8.0.20 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-14553
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:25 UTC · Revision 1
Source evidence
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable Auth). Supported versions that are affected are 5.7.30 and prior and 8.0.20 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N).
osv:CVE-2020-14553
Complete source record
{
"id": "b50eb3dee625d775b10158c1e61cf97af92617791e46728cc190514ff1e79c45",
"url": "https://osv.dev/vulnerability/CVE-2020-14553",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-14553",
"summary": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable Auth). Supported versions that are affected are 5.7.30 and prior and 8.0.20 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N).",
"evidence": "osv:CVE-2020-14553",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-14553",
"aliases": [
"CVE-2020-14553"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/mysql/mysql-server",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "b17eb938b91d457c0fbdc3c4691cf3b810e32a15"
},
{
"introduced": "270fd3411e3d671a73ed9725940a30080f59ce6d"
},
{
"last_affected": "7d10c82196c8e45554f27c00681474a9fb86d137"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.7.0"
},
{
"last_affected": "5.7.30"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.0.0"
},
{
"last_affected": "8.0.20"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"mysql-cluster-8.0.20",
"mysql-8.0.20",
"mysql-5.7.30",
"mysql-5.1.4",
"mysql-4.0.4",
"mysql-4.0.2",
"mysql-3.23.36",
"mysql-3.23.33",
"mysql-3.23.32",
"mysql-3.23.31",
"mysql-3.23.30-gamma",
"mysql-3.23.28-gamma",
"mysql-3.23.22-beta"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14553.json"
}
}
],
"modified": "2026-10-24T10:30:28.447810413Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CAI7GRYZ5265JVKHC6VXI57MNJDDB63C/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HYQPCHGCVKFS3H226QQKZFQP56JYOQ3T/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SA2XMR2ZY2BPR3VLTDVLNV74JL7TA7KL/",
"https://security.gentoo.org/glsa/202105-27",
"https://security.netapp.com/advisory/ntap-20200717-0004/",
"https://usn.ubuntu.com/4441-1/",
"https://www.oracle.com/security-alerts/cpujul2020.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "20.04"
},
{
"last_affected": "20.04"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "31"
},
{
"last_affected": "31"
},
{
"introduced": "32"
},
{
"last_affected": "32"
},
{
"introduced": "33"
},
{
"last_affected": "33"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-14553",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432053,
"published_at": "2020-07-15T18:15:18.987+00:00"
}