What is CVE-2021-32061?

CVE-2021-32061 is a medium-severity vulnerability in S3scanner Project, classified under Path Traversal. CVSS score: 5.3/10. Published 2021-11-29.

How severe is CVE-2021-32061?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Path Traversal in S3scanner Project

CVE-2021-32061

S3Scanner before 2.0.2 allows Directory Traversal via a crafted bucket, as demonstrated by a <Key>../ substring in a ListBucketResult element.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2021-11-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.016 (75.7th percentile), scored 2026-10-09.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: +0.001

Affected products

S3scanner Project

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/sa7mon/S3Scanner/releases/tag/2.0.2 (Third Party Advisory, Release Notes)
github.com/sa7mon/S3Scanner/issues/122 (Third Party Advisory)
vuln.ryotak.me/advisories/62 (Third Party Advisory)

Frequently asked questions

What is CVE-2021-32061?: CVE-2021-32061 is a medium-severity vulnerability in S3scanner Project, classified under Path Traversal. CVSS score: 5.3/10. Published 2021-11-29.
How severe is CVE-2021-32061?: Medium severity. CVSS v3 base score is 5.3 out of 10.