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01 Record

CVE-2020-5291

Privilege escalation in setuid mode via user namespaces in Bubblewrap

HighPUBLISHEDCNA: GitHub_M
CNA base score7.2 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N

02 Description

Privilege escalation in setuid mode via user namespaces in Bubblewrap

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
0.90% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 59.4% of scored records. A rank, not a probability.
NVD base score
7.8 (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:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

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
2020-03-31 18:00Z6 YR AGO
Last updated
2024-08-04 08:22Z2 YR AGO
Reserved
2020-01-02
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 7.2)
CNA CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Weaknesses
  • CWE-648Incorrect Use of Privileged APIsBase
  • CWE-269Improper Privilege ManagementClass
Data version
5.1
Document digest
7cc02622ccbee4985b22ac860adc52d35fd78fe257e405a2eb9964863b444071

05 Affected products

VendorProductVersionsPlatforms
containersbubblewrap< 0.4.1—

06 References

07 Fixed in

Debian 12

  • bubblewrap
    Fixed in 0.4.1-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • bubblewrap
    Fixed in 0.4.1-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • bubblewrap
    Fixed in 0.4.1-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • bubblewrap
    Fixed in 0.4.0-1ubuntu4

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.