Concrete CMS up to 8.5.12/9.2.1 File Creation Mkdir permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Concrete CMS up to 8.5.12/9.2.1. The affected element is the function Mkdir of the component File Creation Handler. This manipulation causes permission. This vulnerability appears as CVE-2023-48648. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Concrete CMS up to 8.5.12/9.2.1 (Content Management System) and classified as critical. Affected by this vulnerability is the function Mkdir of the component File Creation Handler. The manipulation with an unknown input leads to a permission vulnerability. The CWE definition for the vulnerability is CWE-275. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented 11/17/2023. The advisory is shared at documentation.concretecms.org. This vulnerability is known as CVE-2023-48648 since 11/17/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

Upgrading to version 8.5.13 or 9.2.2 eliminates this vulnerability. The upgrade is hosted for download at documentation.concretecms.org.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-2998). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Permission
CWE: CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CMS 8.5.13/9.2.2

Timelineinfo

11/17/2023 🔍
11/17/2023 +0 days 🔍
11/17/2023 +0 days 🔍
11/07/2025 +721 days 🔍

Sourcesinfo

Advisory: documentation.concretecms.org
Status: Confirmed

CVE: CVE-2023-48648 (🔍)
GCVE (CVE): GCVE-0-2023-48648
GCVE (VulDB): GCVE-100-245713
EUVD: 🔍

Entryinfo

Created: 11/17/2023 07:42
Updated: 11/07/2025 04:39
Changes: 11/17/2023 07:42 (43), 12/14/2023 08:49 (11), 08/29/2024 22:48 (27), 11/07/2025 04:39 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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