VulnerabilityModified
CVE-2021-38197
unarr.go in go-unarr (aka Go bindings for unarr) 0.1.1 allows Directory Traversal via ../ in a pathname within a TAR archive.
CRITICAL 9.8EPSS 2.11%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
unarr.go in go-unarr (aka Go bindings for unarr) 0.1.1 allows Directory Traversal via ../ in a pathname within a TAR archive.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.11% probability · 82th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- go-unarr project/go-unarr
- Source
- cve@mitre.org
EPSS 2.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/gen2brain/go-unarr/issues/21Exploit, Issue Tracking, Third Party Advisory
- https://github.com/gen2brain/go-unarr/issues/21Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.