Cybozu Garoon up to 5.5.1 Bulletin access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Cybozu Garoon up to 5.5.1. It has been rated as critical. This affects an unknown function of the component Bulletin Handler. The manipulation leads to access control. This vulnerability is traded as CVE-2022-28718. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Cybozu Garoon up to 5.5.1 (Groupware Software) and classified as critical. This issue affects an unknown function of the component Bulletin Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Operation restriction bypass vulnerability in Bulletin of Cybozu Garoon 4.0.0 to 5.5.1 allow a remote authenticated attacker to alter the data of Bulletin.

The weakness was shared 07/04/2022. The advisory is shared at cs.cybozu.co.jp. The identification of this vulnerability is CVE-2022-28718 since 04/28/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 4.3
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: Access control
CWE: CWE-284 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/28/2022 🔍
07/04/2022 +67 days 🔍
07/04/2022 +0 days 🔍
07/18/2022 +14 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

Advisory: cs.cybozu.co.jp
Status: Confirmed

CVE: CVE-2022-28718 (🔍)
GCVE (CVE): GCVE-0-2022-28718
GCVE (VulDB): GCVE-100-203189

Entryinfo

Created: 07/04/2022 14:01
Updated: 07/18/2022 15:58
Changes: 07/04/2022 14:01 (39), 07/18/2022 15:58 (18)
Complete: 🔍
Cache ID: 216::103

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