CVE-2021-3339 json
ModernFlow before 1.3.00.208 does not constrain web-page access to members of a security group, as demonstrated by the Search Screen and th…
published 2021-02-19 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26670
- cvss
- 4.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
ModernFlow before 1.3.00.208 does not constrain web-page access to members of a security group, as demonstrated by the Search Screen and the Profile Screen.
Patch / fix
- microsoft modernflow 1.3.00.208
Exploit prediction
2.02% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
Sources
- CVE List CVE-2021-3339
- NVD CVE-2021-3339
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.