Concrete CMS up to 8.5.5 Update JSON Scheme privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Concrete CMS up to 8.5.5. Affected by this issue is some unknown functionality of the component Update JSON Scheme Handler. Performing a manipulation results in an unknown weakness. This vulnerability is reported as CVE-2021-40099. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Concrete CMS up to 8.5.5 (Content Management System). It has been classified as critical. This affects an unknown code of the component Update JSON Scheme Handler. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 09/24/2021. It is possible to read the advisory at hackerone.com. This vulnerability is uniquely identified as CVE-2021-40099 since 08/25/2021. The technical details are unknown and an exploit is not publicly available.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

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

NVD Base Score: 7.2
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: Privilege escalation
CWE: Unknown
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 🔍
09/24/2021 +30 days 🔍
09/24/2021 +0 days 🔍
10/02/2021 +8 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-40099 (🔍)
GCVE (CVE): GCVE-0-2021-40099
GCVE (VulDB): GCVE-100-183327

Entryinfo

Created: 09/24/2021 19:42
Updated: 10/02/2021 09:36
Changes: 09/24/2021 19:42 (40), 10/02/2021 09:34 (1), 10/02/2021 09:36 (18)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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