What is CVE-2020-5291?

CVE-2020-5291 is a high-severity vulnerability in Containers Bubblewrap, classified under CWE-648. CVSS score: 7.2/10. Published 2020-03-31.

How severe is CVE-2020-5291?

High severity. CVSS v3 base score is 7.2 out of 10.

Vulnerability in Containers Bubblewrap

CVE-2020-5291

Bubblewrap (bwrap) before version 0.4.1, if installed in setuid mode and the kernel supports unprivileged user namespaces, then the `bwrap --userns2` option can be used to make the setuid process keep running as root while being traceable…

EPSS: 0.002 (39.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N.

Affected products

Containers Bubblewrap — versions < 0.4.1

Weakness classification (CWE)

CWE-648

References

github.com/containers/bubblewrap/security/advisories/GHSA-j2qp-rvxj-43vj (x_refsource_CONFIRM)
github.com/containers/bubblewrap/commit/1f7e2ad948c051054b683461885a0215f1806240 (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-5291?: CVE-2020-5291 is a high-severity vulnerability in Containers Bubblewrap, classified under CWE-648. CVSS score: 7.2/10. Published 2020-03-31.
How severe is CVE-2020-5291?: High severity. CVSS v3 base score is 7.2 out of 10.