CVE-2021-38511

HIGH

Published Aug 10, 20214y ago · Modified Jun 17, 20262w ago

7.5 CVSS 3.1

High

Published Aug 10, 2021 4y ago

Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score

7.5

Exploitability

3.9

Impact

3.6

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality None

Integrity High

Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 1

CWE-59

Affected Products 1

Vendor	Product	Version	Range
tar_project	tar	*	<0.4.36

References 2

raw.githubusercontent.com https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tar/RUSTSEC-2021-0080.md

ExploitThird Party Advisory
rustsec.org https://rustsec.org/advisories/RUSTSEC-2021-0080.html

ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.