CVE-2021-31272 json
SerenityOS before commit 3844e8569689dd476064a0759d704bc64fb3ca2c contains a directory traversal vulnerability in tar/unzip that may lead t…
published 2021-06-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-18184
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.2%
- EPSS 3.2% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
SerenityOS before commit 3844e8569689dd476064a0759d704bc64fb3ca2c contains a directory traversal vulnerability in tar/unzip that may lead to command execution or privilege escalation.
Patch / fix
- serenityos serenityos 3844e8569689dd476064a0759d704bc64fb3ca2c
- github.com/SerenityOS/serenity#5713 commit
- github.com/SerenityOS/serenity#5713 pull request
Exploit prediction
3.17% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/SerenityOS/serenity/pull/5713/commits/3844e8569689dd476064a0759d704bc64fb3ca2c
patch, third-party-advisory
-
github.com
/SerenityOS/serenity/pull/5713
third-party-advisory
-
github.com
/SerenityOS/serenity/issues/3991
third-party-advisory
-
github.com
/SerenityOS/serenity/issues/3992
third-party-advisory
Sources
- CVE List CVE-2021-31272
- NVD CVE-2021-31272
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.