CVE-2021-32061 json
S3Scanner allows Directory Traversal
published 2021-11-29 4 y ago modified 2026-06-17 4 mo ago also GHSA-qppg-v75c-r5ff , PYSEC-2021-433 , EUVD-2021-0224
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
S3Scanner before 2.0.2 allows Directory Traversal via a crafted bucket, as demonstrated by a <Key>../ substring in a ListBucketResult element.
Patch / fix
- pypi s3scanner 2.0.2
- s3scanner_project s3scanner 2.0.2
Exploit prediction
1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | s3scanner | <2.0.2 |
2.0.2 |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/sa7mon/S3Scanner/commit/fafa30a3bd35b496b3f7db9bfc35b75a8a06bcd1
web
-
github.com
/sa7mon/S3Scanner/releases/tag/2.0.2
web, release-notes, third-party-advisory
-
github.com
/sa7mon/S3Scanner/issues/122
web, third-party-advisory, report
-
vuln.ryotak.me
/advisories/62
web, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-32061
advisory
-
github.com
/advisories/GHSA-qppg-v75c-r5ff
advisory
-
github.com
/pypa/advisory-database/tree/main/vulns/s3scanner/PYSEC-2021-433.yaml
web
-
github.com
/sa7mon/S3Scanner
web
Sources
- CVE List CVE-2021-32061
- GitHub Advisory GHSA-qppg-v75c-r5ff
- NVD CVE-2021-32061
- OSV PYSEC-2021-433
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.