CVE-2021-22958
Server-Side Request Forgery vulnerability in concrete5
8.2
HIGH
CVSS 3.1
EPSS 0.40%
Description
A Server-Side Request Forgery vulnerability was found in concrete5 < 8.5.5 that allowed a decimal notation encoded IP address to bypass the limitations in place for localhost allowing interaction with local services. Impact can vary depending on services exposed.
How to fix CVE-2021-22958
To remediate CVE-2021-22958, upgrade the affected package to a fixed version below.
- —upgrade to 8.5.5 or later
Is CVE-2021-22958 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 8.5.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N |