CVE-2021-31272

9.8 criticalEPSS 3.2%

Critical (9.8) in serenityos serenityos. EPSS 3.2% chance of exploitation in the next 30 days.

SerenityOS before commit 3844e8569689dd476064a0759d704bc64fb3ca2c contains a directory traversal vulnerability in tar/unzip that may lead to command execution or privilege escalation.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 3.2% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2021-06-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

serenityos:serenityos

References

https://github.com/SerenityOS/serenity/issues/3991
https://github.com/SerenityOS/serenity/issues/3992
https://github.com/SerenityOS/serenity/pull/5713
https://github.com/SerenityOS/serenity/pull/5713/commits/3844e8569689dd476064a0759d704bc64fb3ca2c
https://github.com/SerenityOS/serenity/issues/3991

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