gsd-2020-1758
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-1758",
"description": "A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.",
"id": "GSD-2020-1758",
"references": [
"https://access.redhat.com/errata/RHSA-2020:2112",
"https://access.redhat.com/errata/RHSA-2020:2108",
"https://access.redhat.com/errata/RHSA-2020:2107",
"https://access.redhat.com/errata/RHSA-2020:2106"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
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],
"details": "A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.",
"id": "GSD-2020-1758",
"modified": "2023-12-13T01:21:58.658371Z",
"schema_version": "1.4.0"
}
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"version": {
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},
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},
{
"name": "https://issues.redhat.com/browse/KEYCLOAK-13285",
"refsource": "MISC",
"url": "https://issues.redhat.com/browse/KEYCLOAK-13285"
}
]
}
},
"gitlab.com": {
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{
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"affected_versions": "All versions before 10.0.0",
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"cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"cwe_ids": [
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"CWE-295",
"CWE-937"
],
"date": "2020-05-19",
"description": "A flaw was found in Keycloak where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.",
"fixed_versions": [
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],
"identifier": "CVE-2020-1758",
"identifiers": [
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],
"not_impacted": "All versions starting from 10.0.0",
"package_slug": "maven/org.keycloak/keycloak-core",
"pubdate": "2020-05-15",
"solution": "Upgrade to version 10.0.0 or above.",
"title": "Improper Certificate Validation",
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"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758",
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],
"date": "2022-02-09",
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],
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],
"not_impacted": "All versions starting from 10.0.0",
"package_slug": "maven/org.keycloak/keycloak-parent",
"pubdate": "2022-02-09",
"solution": "Upgrade to version 10.0.0 or above.",
"title": "Improper Certificate Validation",
"urls": [
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"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758",
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"uuid": "a33fc073-b279-4d2e-82d8-8a38d15e61cd"
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"description": "A flaw was found in Keycloak where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.",
"fixed_versions": [
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],
"identifier": "CVE-2020-1758",
"identifiers": [
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],
"not_impacted": "All versions starting from 10.0.0",
"package_slug": "maven/org.keycloak/keycloak-services",
"pubdate": "2020-05-15",
"solution": "Upgrade to version 10.0.0 or above.",
"title": "Improper Certificate Validation",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-1758",
"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758",
"https://issues.redhat.com/browse/KEYCLOAK-13285"
],
"uuid": "d3ce013b-fc3a-4f28-a885-4a754f263063"
}
]
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"nvd.nist.gov": {
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"nodes": [
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"cpe_name": [],
"versionEndExcluding": "10.0.0",
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"operator": "OR"
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{
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"cpe_match": [
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"references": {
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"tags": [
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 3.6
}
},
"lastModifiedDate": "2020-05-19T14:16Z",
"publishedDate": "2020-05-15T19:15Z"
}
}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.