Concrete CMS up to 8.5.5 Calendar save ccm_token cross-site request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Concrete CMS up to 8.5.5. It has been rated as problematic. Affected by this issue is some unknown functionality of the file ccm/calendar/dialogs/event/add/save of the component Calendar. Performing a manipulation of the argument ccm_token results in cross-site request forgery. This vulnerability was named CVE-2021-40108. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Concrete CMS up to 8.5.5 (Content Management System). This affects an unknown function of the file ccm/calendar/dialogs/event/add/save of the component Calendar. The manipulation of the argument ccm_token with an unknown input leads to a cross-site request forgery vulnerability. CWE is classifying the issue as CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. This is going to have an impact on integrity.

The weakness was presented 09/27/2021. The advisory is shared at hackerone.com. This vulnerability is uniquely identified as CVE-2021-40108 since 08/25/2021. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 8.5.6 eliminates this vulnerability. The upgrade is hosted for download at documentation.concretecms.org.

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: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
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 8.5.6

Timelineinfo

08/25/2021 🔍
09/27/2021 +33 days 🔍
09/27/2021 +0 days 🔍
10/02/2021 +5 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-40108 (🔍)
GCVE (CVE): GCVE-0-2021-40108
GCVE (VulDB): GCVE-100-183393

Entryinfo

Created: 09/27/2021 17:36
Updated: 10/02/2021 17:24
Changes: 09/27/2021 17:36 (45), 10/02/2021 17:16 (1), 10/02/2021 17:24 (18)
Complete: 🔍
Cache ID: 216::103

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

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