CVE-2021-44730
snapd could be made to escalate privileges and run programs as administrator
02 Description
snapd could be made to escalate privileges and run programs as administrator
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.35% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 28.4% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-02-17 22:15Z4 YR AGO
- Last updated
- 2024-08-04 04:32Z2 YR AGO
- Reserved
- 2021-12-08
- Assigning CNA
- canonical
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-59Improper Link Resolution Before File Access ('Link Following')Base
- Data version
- 5.1
- Document digest
- 1904876f5582d21fc2024373a6875a628b1b44e8a28acf0c22aa7f7472ee0da3
05 Affected products
06 References
- ubuntu.comhttps://ubuntu.com/security/notices/USN-5292-1
- www.openwall.com[oss-security] 20220218 CVE-2021-4120: Insufficient validation of snap content interface and layout pathshttp://www.openwall.com/lists/oss-security/2022/02/18/2
- lists.fedoraproject.orgFEDORA-2022-82bea71e5ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/
- lists.fedoraproject.orgFEDORA-2022-5df8b52ba4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/
- www.debian.orgDSA-5080https://www.debian.org/security/2022/dsa-5080
- www.openwall.com[oss-security] 20220223 Re: CVE-2021-44731: Race condition in snap-confine's setup_private_mount()http://www.openwall.com/lists/oss-security/2022/02/23/1
07 Fixed in
Debian 12
- snapd Fixed in 2.54.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- snapd Fixed in 2.54.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- snapd Fixed in 2.54.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- snapd Fixed in 2.54.3+18.04
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- snapd Fixed in 2.54.3+20.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- snapd Fixed in 2.54.3+14.04~esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- snapd Fixed in 2.54.3+16.04~esm2Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.