usn-5371-1
Vulnerability from osv_ubuntu
Published
2022-04-12 15:48
Modified
2026-06-25 10:46
Summary
nginx vulnerabilities
Details
It was discovered that nginx Lua module mishandled certain inputs. An attacker could possibly use this issue to perform an HTTP Request Smuggling attack. This issue was fixed for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-11724)
It was discovered that nginx Lua module mishandled certain inputs. An attacker could possibly use this issue to disclose sensitive information. This issue only affects Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-36309)
It was discovered that nginx mishandled the use of compatible certificates among multiple encryption protocols. If a remote attacker were able to intercept the communication, this issue could be used to redirect traffic between subdomains. (CVE-2021-3618)
References
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-36309",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-3618",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "nginx",
"binary_version": "1.10.3-0ubuntu0.16.04.5+esm3"
},
{
"binary_name": "nginx-common",
"binary_version": "1.10.3-0ubuntu0.16.04.5+esm3"
},
{
"binary_name": "nginx-core",
"binary_version": "1.10.3-0ubuntu0.16.04.5+esm3"
},
{
"binary_name": "nginx-extras",
"binary_version": "1.10.3-0ubuntu0.16.04.5+esm3"
},
{
"binary_name": "nginx-full",
"binary_version": "1.10.3-0ubuntu0.16.04.5+esm3"
},
{
"binary_name": "nginx-light",
"binary_version": "1.10.3-0ubuntu0.16.04.5+esm3"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "nginx",
"purl": "pkg:deb/ubuntu/nginx@1.10.3-0ubuntu0.16.04.5+esm3?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.10.3-0ubuntu0.16.04.5+esm3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.9.3-1ubuntu1",
"1.9.6-2ubuntu1",
"1.9.6-2ubuntu2",
"1.9.9-0ubuntu1",
"1.9.9-1ubuntu1",
"1.9.10-0ubuntu1",
"1.9.10-1ubuntu1",
"1.9.11-0ubuntu1",
"1.9.11-0ubuntu2",
"1.9.12-0ubuntu1",
"1.9.13-0ubuntu1",
"1.9.14-0ubuntu1",
"1.9.15-0ubuntu1",
"1.10.0-0ubuntu0.16.04.1",
"1.10.0-0ubuntu0.16.04.2",
"1.10.0-0ubuntu0.16.04.3",
"1.10.0-0ubuntu0.16.04.4",
"1.10.3-0ubuntu0.16.04.1",
"1.10.3-0ubuntu0.16.04.2",
"1.10.3-0ubuntu0.16.04.3",
"1.10.3-0ubuntu0.16.04.4",
"1.10.3-0ubuntu0.16.04.5",
"1.10.3-0ubuntu0.16.04.5+esm1",
"1.10.3-0ubuntu0.16.04.5+esm2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-11724",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-36309",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-3618",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libnginx-mod-http-auth-pam",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-cache-purge",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-dav-ext",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-echo",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-fancyindex",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-geoip",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-headers-more-filter",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-image-filter",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-lua",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-ndk",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-perl",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-subs-filter",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-uploadprogress",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-upstream-fair",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-http-xslt-filter",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-mail",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-nchan",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-rtmp",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "libnginx-mod-stream",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "nginx",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "nginx-common",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "nginx-core",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "nginx-extras",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "nginx-full",
"binary_version": "1.14.0-0ubuntu1.10"
},
{
"binary_name": "nginx-light",
"binary_version": "1.14.0-0ubuntu1.10"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "nginx",
"purl": "pkg:deb/ubuntu/nginx@1.14.0-0ubuntu1.10?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.14.0-0ubuntu1.10"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.12.1-0ubuntu2",
"1.13.6-2ubuntu1",
"1.13.6-2ubuntu2",
"1.13.10-1ubuntu1",
"1.13.12-0ubuntu1",
"1.14.0-0ubuntu1",
"1.14.0-0ubuntu1.1",
"1.14.0-0ubuntu1.2",
"1.14.0-0ubuntu1.3",
"1.14.0-0ubuntu1.4",
"1.14.0-0ubuntu1.5",
"1.14.0-0ubuntu1.6",
"1.14.0-0ubuntu1.7",
"1.14.0-0ubuntu1.9"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-11724",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-36309",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-3618",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libnginx-mod-http-auth-pam",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-cache-purge",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-dav-ext",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-echo",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-fancyindex",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-geoip",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-geoip2",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-headers-more-filter",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-image-filter",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-lua",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-ndk",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-perl",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-subs-filter",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-uploadprogress",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-upstream-fair",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-http-xslt-filter",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-mail",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-nchan",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-rtmp",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "libnginx-mod-stream",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "nginx",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "nginx-common",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "nginx-core",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "nginx-extras",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "nginx-full",
"binary_version": "1.18.0-0ubuntu1.3"
},
{
"binary_name": "nginx-light",
"binary_version": "1.18.0-0ubuntu1.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "nginx",
"purl": "pkg:deb/ubuntu/nginx@1.18.0-0ubuntu1.3?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.18.0-0ubuntu1.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.16.1-0ubuntu2",
"1.16.1-0ubuntu3",
"1.17.5-0ubuntu1",
"1.17.6-0ubuntu1",
"1.17.7-0ubuntu1",
"1.17.8-0ubuntu1",
"1.17.8-0ubuntu2",
"1.17.8-0ubuntu3",
"1.17.9-0ubuntu1",
"1.17.9-0ubuntu2",
"1.17.9-0ubuntu3",
"1.17.10-0ubuntu1",
"1.18.0-0ubuntu1",
"1.18.0-0ubuntu1.2"
]
}
],
"aliases": [],
"details": "It was discovered that nginx Lua module mishandled certain inputs.\nAn attacker could possibly use this issue to perform an HTTP Request\nSmuggling attack. This issue was fixed for Ubuntu 18.04 LTS and\nUbuntu 20.04 LTS. (CVE-2020-11724)\n\nIt was discovered that nginx Lua module mishandled certain inputs.\nAn attacker could possibly use this issue to disclose sensitive\ninformation. This issue only affects Ubuntu 18.04 LTS and\nUbuntu 20.04 LTS. (CVE-2020-36309)\n\nIt was discovered that nginx mishandled the use of \ncompatible certificates among multiple encryption protocols. \nIf a remote attacker were able to intercept the communication, \nthis issue could be used to redirect traffic between subdomains.\n(CVE-2021-3618)\n",
"id": "USN-5371-1",
"modified": "2026-06-25T10:46:05Z",
"published": "2022-04-12T15:48:57Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5371-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-11724"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-36309"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-3618"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "nginx vulnerabilities",
"upstream": [
"UBUNTU-CVE-2020-11724",
"UBUNTU-CVE-2020-36309",
"UBUNTU-CVE-2021-3618"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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