CVE-2021-4240
Insufficient Entropy in PHPServerMon PRNG
5.3
MEDIUM
CVSS 3.1
EPSS 0.80%
Description
A vulnerability, which was classified as problematic, was found in phpservermon. This affects the function `generatePasswordResetToken` of the file `src/psm/Service/User.php`. The manipulation leads to use of predictable algorithm in random number generator. The exploit has been disclosed to the public and may be used. The name of the patch is 3daa804d5f56c55b3ae13bfac368bb84ec632193. It is recommended to apply a patch to fix this issue. The identifier VDB-213717 was assigned to this vulnerability.
How to fix CVE-2021-4240
To remediate CVE-2021-4240, upgrade the affected package to a fixed version below.
- —upgrade to 3.6.0 or later
Is CVE-2021-4240 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.6.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |