CVE-2021-33183 json
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability container volume management component in Synol…
published 2021-06-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19898
- cvss
- 7.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability container volume management component in Synology Docker before 18.09.0-0515 allows local users to read or write arbitrary files via unspecified vectors.
Patch / fix
- Synology Synology Docker 18.09.0-0515
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.9 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N |
| NVD | 3.1 | 7.9 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N |
| NVD | 2.0 | 3.6 | AV:L/AC:L/Au:N/C:P/I:P/A:N |
Affected products
- Synology Synology Docker
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
synology.com
/security/advisory/Synology_SA_21_08
vendor-advisory
Sources
- CVE List CVE-2021-33183
- NVD CVE-2021-33183
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