USN-4934-2
- Source
- https://ubuntu.com/security/notices/USN-4934-2
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4934-2.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/USN-4934-2
- Upstream
- Related
- Published
- 2021-05-06T11:23:36.244839Z
- Modified
- 2025-10-13T04:35:28Z
- Summary
- exim4 vulnerabilities
- Details
-
USN-4934-1 fixed several vulnerabilities in Exim. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. CVE-2020-28026 only affected Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that Exim contained multiple security issues. An attacker could use these issues to cause a denial of service, execute arbitrary code remotely, obtain sensitive information, or escalate local privileges.
- References
-
- https://ubuntu.com/security/notices/USN-4934-2
- https://ubuntu.com/security/CVE-2020-28007
- https://ubuntu.com/security/CVE-2020-28008
- https://ubuntu.com/security/CVE-2020-28009
- https://ubuntu.com/security/CVE-2020-28011
- https://ubuntu.com/security/CVE-2020-28012
- https://ubuntu.com/security/CVE-2020-28013
- https://ubuntu.com/security/CVE-2020-28014
- https://ubuntu.com/security/CVE-2020-28015
- https://ubuntu.com/security/CVE-2020-28016
- https://ubuntu.com/security/CVE-2020-28017
- https://ubuntu.com/security/CVE-2020-28020
- https://ubuntu.com/security/CVE-2020-28022
- https://ubuntu.com/security/CVE-2020-28024
- https://ubuntu.com/security/CVE-2020-28025
- https://ubuntu.com/security/CVE-2020-28026
- https://ubuntu.com/security/CVE-2021-27216
Affected packages
Ubuntu:Pro:14.04:LTS / exim4
Package
- Name
- exim4
- Purl
- pkg:deb/ubuntu/exim4@4.82-3ubuntu2.4+esm3?arch=source&distro=trusty/esm
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed4.82-3ubuntu2.4+esm3
Affected versions
4.*
4.80-7ubuntu3
4.80-7ubuntu4
4.80-9ubuntu1
4.80-9ubuntu2
4.82-3ubuntu1
4.82-3ubuntu2
4.82-3ubuntu2.1
4.82-3ubuntu2.2
4.82-3ubuntu2.3
4.82-3ubuntu2.4
4.82-3ubuntu2.4+esm1
4.82-3ubuntu2.4+esm2
Ecosystem specific
{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "4.82-3ubuntu2.4+esm3",
"binary_name": "exim4"
},
{
"binary_version": "4.82-3ubuntu2.4+esm3",
"binary_name": "exim4-base"
},
{
"binary_version": "4.82-3ubuntu2.4+esm3",
"binary_name": "exim4-config"
},
{
"binary_version": "4.82-3ubuntu2.4+esm3",
"binary_name": "exim4-daemon-heavy"
},
{
"binary_version": "4.82-3ubuntu2.4+esm3",
"binary_name": "exim4-daemon-light"
},
{
"binary_version": "4.82-3ubuntu2.4+esm3",
"binary_name": "exim4-dev"
},
{
"binary_version": "4.82-3ubuntu2.4+esm3",
"binary_name": "eximon4"
}
]
}
Database specific
{
"cves_map": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"cves": [
{
"id": "CVE-2020-28007",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28008",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28009",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28011",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28012",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28013",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28014",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28015",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28017",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28020",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28022",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28024",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28025",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28026",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-27216",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
]
}
}
Ubuntu:Pro:16.04:LTS / exim4
Package
- Name
- exim4
- Purl
- pkg:deb/ubuntu/exim4@4.86.2-2ubuntu2.6+esm1?arch=source&distro=esm-infra/xenial
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed4.86.2-2ubuntu2.6+esm1
Affected versions
4.*
4.86-3ubuntu1
4.86-7ubuntu1
4.86-7ubuntu2
4.86-7ubuntu3
4.86.2-2ubuntu1
4.86.2-2ubuntu2
4.86.2-2ubuntu2.1
4.86.2-2ubuntu2.2
4.86.2-2ubuntu2.3
4.86.2-2ubuntu2.4
4.86.2-2ubuntu2.5
4.86.2-2ubuntu2.6
Ecosystem specific
{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "4.86.2-2ubuntu2.6+esm1",
"binary_name": "exim4"
},
{
"binary_version": "4.86.2-2ubuntu2.6+esm1",
"binary_name": "exim4-base"
},
{
"binary_version": "4.86.2-2ubuntu2.6+esm1",
"binary_name": "exim4-config"
},
{
"binary_version": "4.86.2-2ubuntu2.6+esm1",
"binary_name": "exim4-daemon-heavy"
},
{
"binary_version": "4.86.2-2ubuntu2.6+esm1",
"binary_name": "exim4-daemon-light"
},
{
"binary_version": "4.86.2-2ubuntu2.6+esm1",
"binary_name": "exim4-dev"
},
{
"binary_version": "4.86.2-2ubuntu2.6+esm1",
"binary_name": "eximon4"
}
]
}
Database specific
{
"cves_map": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"cves": [
{
"id": "CVE-2020-28007",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28008",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28009",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28011",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28012",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28013",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28014",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28015",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28017",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28020",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28022",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28024",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28025",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-28026",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2021-27216",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
]
}
}