Cyber Resilience

CVE-2021-38511

HighPublic PoC

Published: 10 August 2021

Published
10 August 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score 0.0034 57.1th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-38511 is a high-severity Link Following (CWE-59) vulnerability in Tar Project Tar. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 42.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An issue was discovered in the tar crate before 0.4.36 for Rust. When symlinks are present in a TAR archive, extraction can create arbitrary directories via .. traversal.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

tar project
tar
≤ 0.4.36

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References