Home/CVE/An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usage of the insecure rand() function within the process of gen
CVE

CVE-2021-23126

An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usage of the insecure rand() function within the process of gen

An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usage of the insecure rand() function within the process of generating the 2FA secret.

MEDIUM · CVSS 5.3 EPSS 0.0001
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-338Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
▤

Affected Products & Versions

1
joomla joomla\!>= 3.2.0 and < 3.9.25
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · security@joomla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Mar 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://developer.joomla.org/security-centre/841-20210301-core-insecure-randomness-within-2fa-secret-generation.htmlVendor Advisory
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