CVE-2020-35666: Steedos Platform through 1.21.24 allows NoSQL injection because the /api/collection/findone implementation in
CVE-2020-35666 is a high-severity flaw (CVSS 8.8) affecting steedos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Steedos Platform through 1.21.24 allows NoSQL injection because the /api/collection/findone implementation in server/packages/steedos_base.js mishandles req.body validation, as demonstrated by MongoDB operator attacks such as an X-User-Id[$ne]=1 value.
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 1.1% (top 35%) |
| CISA exploited list | No |
| Weakness | CWE-89 |
| Published | 2020-12-23 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-35666?
steedos: upgrade to newer than 1.21.24. Exact commands for each OS are on this page.
Is CVE-2020-35666 being exploited?
CVE-2020-35666 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-35666 affect?
CVE-2020-35666 affects steedos. Severity is high (CVSS 8.8). Steedos Platform through 1.21.24 allows NoSQL injection because the /api/collection/findone implementation in server/packages/steedos_base.js mishandles req.body validation, as demonstrated by MongoDB operator attacks such as an X-User-Id[$
How urgent is CVE-2020-35666?
Priority 52/100. High severity; Public exploit reference