UBUNTU-CVE-2021-3155
- Source
- https://ubuntu.com/security/CVE-2021-3155
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3155.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-3155
- Upstream
- Downstream
- Related
- Published
- 2021-01-13T00:00:00Z
- Modified
- 2025-10-15T16:50:09Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
- 3.8 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N CVSS Calculator
- Ubuntu - medium
- Summary
- [none]
- Details
-
snapd 2.54.2 and earlier created ~/snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1
- References
Affected packages
Ubuntu:Pro:16.04:LTS / snapd
Package
- Name
- snapd
- Purl
- pkg:deb/ubuntu/snapd@2.54.3+16.04~esm2?arch=source&distro=esm-infra/xenial
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2.54.3+16.04~esm2
Affected versions
1.*
1.9
1.9.1.1
1.9.2
2.*
2.0
2.0.1
2.0.2
2.0.3
2.0.5
2.0.8
2.0.9
2.0.10
2.11+0.16.04
2.12+0.16.04
2.13
2.14.2~16.04
2.15.2ubuntu1
2.16ubuntu3
2.17.1ubuntu1
2.20.1ubuntu1
2.21
2.22.2
2.22.3
2.22.6
2.23.1
2.24.1
2.25
2.26.10
2.27.5
2.28.5
2.29.4.2
2.32.3.2
2.32.9
2.33.1ubuntu2
2.34.2
2.34.2ubuntu0.1
2.37.4
2.37.4ubuntu0.1
2.38
2.39.2
2.39.2ubuntu0.2
2.40
2.42.1
2.45.1
2.45.1ubuntu0.2
2.46.1
2.47.1
2.48
2.48.3
Ecosystem specific
{
"binaries": [
{
"binary_name": "golang-github-snapcore-snapd-dev",
"binary_version": "2.54.3+16.04~esm2"
},
{
"binary_name": "golang-github-ubuntu-core-snappy-dev",
"binary_version": "2.54.3+16.04~esm2"
},
{
"binary_name": "snap-confine",
"binary_version": "2.54.3+16.04~esm2"
},
{
"binary_name": "snapd",
"binary_version": "2.54.3+16.04~esm2"
},
{
"binary_name": "snapd-xdg-open",
"binary_version": "2.54.3+16.04~esm2"
},
{
"binary_name": "ubuntu-core-launcher",
"binary_version": "2.54.3+16.04~esm2"
},
{
"binary_name": "ubuntu-core-snapd-units",
"binary_version": "2.54.3+16.04~esm2"
},
{
"binary_name": "ubuntu-snappy",
"binary_version": "2.54.3+16.04~esm2"
},
{
"binary_name": "ubuntu-snappy-cli",
"binary_version": "2.54.3+16.04~esm2"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
Ubuntu:18.04:LTS / snapd
Package
- Name
- snapd
- Purl
- pkg:deb/ubuntu/snapd@2.54.3+18.04?arch=source&distro=bionic
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2.54.3+18.04
Affected versions
2.*
2.28.5+17.10
2.29.4.1+18.04
2.29.4.2+18.04
2.31.1+18.04
2.32+18.04~pre5
2.32+18.04~pre6
2.32+18.04
2.32.3.2+18.04
2.32.5+18.04
2.32.8+18.04
2.32.9+18.04
2.33.1+18.04ubuntu2
2.34.2+18.04
2.34.2+18.04.1
2.37.1+18.04
2.37.1.1+18.04
2.37.4+18.04
2.37.4+18.04.1
2.38+18.04
2.39.2+18.04
2.40+18.04
2.42.1+18.04
2.45.1+18.04
2.45.1+18.04.2
2.46.1+18.04
2.47.1+18.04
2.48+18.04
2.48.3+18.04
2.49.2+18.04
2.51.1+18.04
2.54.2+18.04ubuntu1
Ecosystem specific
{
"binaries": [
{
"binary_name": "golang-github-snapcore-snapd-dev",
"binary_version": "2.54.3+18.04"
},
{
"binary_name": "golang-github-ubuntu-core-snappy-dev",
"binary_version": "2.54.3+18.04"
},
{
"binary_name": "snap-confine",
"binary_version": "2.54.3+18.04"
},
{
"binary_name": "snapd",
"binary_version": "2.54.3+18.04"
},
{
"binary_name": "snapd-xdg-open",
"binary_version": "2.54.3+18.04"
},
{
"binary_name": "ubuntu-core-launcher",
"binary_version": "2.54.3+18.04"
},
{
"binary_name": "ubuntu-core-snapd-units",
"binary_version": "2.54.3+18.04"
},
{
"binary_name": "ubuntu-snappy",
"binary_version": "2.54.3+18.04"
},
{
"binary_name": "ubuntu-snappy-cli",
"binary_version": "2.54.3+18.04"
}
],
"availability": "No subscription required"
}
Ubuntu:20.04:LTS / snapd
Package
- Name
- snapd
- Purl
- pkg:deb/ubuntu/snapd@2.54.3+20.04.1?arch=source&distro=focal
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2.54.3+20.04.1
Affected versions
2.*
2.41+19.10.1
2.42.1+20.04
2.43.3+git1.8109f8
2.44~pre1+20.04
2.44+20.04
2.44.2+20.04
2.44.3+20.04
2.45.1+20.04
2.45.1+20.04.2
2.46.1+20.04
2.47.1+20.04
2.48+20.04
2.48.3+20.04
2.49.2+20.04
2.51.1+20.04ubuntu2
2.54.2+20.04ubuntu2
2.54.3+20.04
Ecosystem specific
{
"binaries": [
{
"binary_name": "golang-github-snapcore-snapd-dev",
"binary_version": "2.54.3+20.04.1"
},
{
"binary_name": "golang-github-ubuntu-core-snappy-dev",
"binary_version": "2.54.3+20.04.1"
},
{
"binary_name": "snap-confine",
"binary_version": "2.54.3+20.04.1"
},
{
"binary_name": "snapd",
"binary_version": "2.54.3+20.04.1"
},
{
"binary_name": "snapd-xdg-open",
"binary_version": "2.54.3+20.04.1"
},
{
"binary_name": "ubuntu-core-launcher",
"binary_version": "2.54.3+20.04.1"
},
{
"binary_name": "ubuntu-core-snapd-units",
"binary_version": "2.54.3+20.04.1"
},
{
"binary_name": "ubuntu-snappy",
"binary_version": "2.54.3+20.04.1"
},
{
"binary_name": "ubuntu-snappy-cli",
"binary_version": "2.54.3+20.04.1"
}
],
"availability": "No subscription required"
}