critical9.8
CVE-2021-22958
Server-Side Request Forgery vulnerability in concrete5
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | concrete5/concrete5 | < 8.5.5 | 8.5.5 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Concretecms | Concrete Cms | before 8.5.5 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://documentation.concretecms.org/developers/introduction/version-history/855-release-notes
- https://hackerone.com/reports/863221
- https://github.com/advisories/GHSA-284f-f2hw-j2gx
- https://nvd.nist.gov/vuln/detail/CVE-2021-22958
- https://github.com/concrete5/concrete5/pull/8826