by Kastro
Paper/Archive/CVE-2021-22958

CVE-2021-22958

hackerone — A Server-Side Request Forgery vulnerability was found in concrete5 < 8.5.5 that allowed a decimal notation encoded IP address to bypass t…

EPSS 1%CVSS 9.8
critical.is priorityof 100
43
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 68.8.688 × 2013.8No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
https://github.com/concrete5/concrete5Fixed in 8.5.5–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refhackerone.com/reports/863221refdocumentation.concretecms.org/developers/introduction/version-history/855-release-notes