Vulnerability · Published Oct 7, 2021 · Assigned by hackerone
CVE-2021-22958
Critical 9.8
In plain English
A critical-severity server-side request forgery in https://github.com/concrete5/concrete5. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.2%top 31.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.CVSSv2.0 AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | concrete5/concrete5 | 8.5.5 | GHSA-284f-f2hw-j2gx |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | https://github.com/concrete5/concrete5 | Fixed in 8.5.5 |
Weakness: CWE-918
References
- https://hackerone.com/reports/863221 x_refsource_MISC
- https://documentation.concretecms.org/developers/introduction/version-history/855-release-notes x_refsource_MISC