Skip to content

CVE-2023-48648

Concretecms Concrete CMS vulnerability

9.8 CRITICALEPSS 1.23%
  1. Published17 Nov 2023

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Concretecms Concrete CMS≥ 9.0 < 9.2.2 · < 8.5.13

Remediation

Fixed in
Concretecms Concrete CMS≥ 9.2.2

Frequently asked

Is CVE-2023-48648 being actively exploited?

CVE-2023-48648 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.23%.

How severe is CVE-2023-48648?

CVE-2023-48648 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.23% probability of exploitation.

Which products are affected by CVE-2023-48648?

Affected products include Concretecms Concrete CMS.

How do I fix CVE-2023-48648?

Upgrade affected software to a fixed version, for example Concretecms Concrete CMS 9.2.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-48648 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.