Vulnerability in Concretecms Concrete Cms
CVE-2023-48648
Concrete CMS before 8.5.13 and 9.x before 9.2.2 allows unauthorized access because directories can be created with insecure permissions. File creation functions (such as the Mkdir() function) gives universal access (0777) to created folders by default. Excessive permissions can be granted when creating a directory with permissions greater than 0755 or when the permissions argument is not specified.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.concretecms.org/about/project-news/security/2023-11-09-security-blog-about-… (Release Notes, Vendor Advisory)
- documentation.concretecms.org/developers/introduction/version-history/922-relea… (Release Notes)
- documentation.concretecms.org/developers/introduction/version-history/8513-rele… (Release Notes)
Frequently asked questions
- What is CVE-2023-48648?
- CVE-2023-48648 is a critical-severity vulnerability in Concretecms Concrete Cms, classified under Incorrect Default Permissions. CVSS score: 9.8/10. Published 2023-11-17.
- How severe is CVE-2023-48648?
- Critical severity. CVSS v3 base score is 9.8 out of 10.