CVE-2021-21503 json
PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in a command.
published 5y ago modified 4mo ago also EUVD-2021-8775
- cvss
- 7.8
- 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 25%
- public exploits
- 0
- none known
Summary
PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in a command. The Compadmin user could potentially exploit this vulnerability, leading to potential privileges escalation.
Patch / fix
- Dell PowerScale OneFS 8.1.2, 8.2.2,9.1.0.x,EMPIRE (9.2.0), GOTHAM
Is CVE-2021-21503 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Dell PowerScale OneFS
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
dell.com
/support/kbdoc/000183717
vendor-advisory
Sources
- CVE List CVE-2021-21503
- NVD CVE-2021-21503
Fencer Intel 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.