CVE-2021-23128 json
[20210302] - Core - Potential Insecure FOFEncryptRandval
published 2021-03-04 5 y ago modified 2026-09-08 2 mo ago also BIT-joomla-2021-23128 , EUVD-2021-10246
- cvss
- 9.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
An issue was discovered in Joomla! 3.2.0 through 3.9.24. The core shipped but unused randval implementation within FOF (FOFEncryptRandval) used an potential insecure implemetation. That has now been replaced with a call to 'random_bytes()' and its backport that is shipped within random_compat.
Patch / fix
- bitnami joomla 3.9.25
- joomla joomla! 3.9.25
Exploit prediction
1.38% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:P/I:P/A:N |
| OSV | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | joomla | >=3.2.0, <3.9.25 |
3.9.25 |
Affected products
- Joomla! Project Joomla! CMS
References
Sources
- CVE List CVE-2021-23128
- NVD CVE-2021-23128
- OSV BIT-joomla-2021-23128
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