cve.bz

CVE-2021-44730

8.8 highEPSS 0.4%

High (8.8). EPSS 0.4% chance of exploitation in the next 30 days.

snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1

Severity

CVSS 3.1

8.8 high
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)
CWE
CWE-59
Published
Modified
Record from
the NVD, synced

Affected

References

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