Cybozu Garoon 4.6.0/5.9.2 Message/Bulletin privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Cybozu Garoon 4.6.0/5.9.2. This issue affects some unknown processing of the component Message/Bulletin. Such manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2023-27304. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Cybozu Garoon 4.6.0/5.9.2 (Groupware Software). It has been rated as critical. Affected by this issue is an unknown functionality of the component Message/Bulletin. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Operation restriction bypass vulnerability in Message and Bulletin of Cybozu Garoon 4.6.0 to 5.9.2 allows a remote authenticated attacker to alter the data of Message and/or Bulletin.

The weakness was released 05/23/2023. The advisory is available at cs.cybozu.co.jp. This vulnerability is handled as CVE-2023-27304 since 03/15/2023. The technical details are unknown and an exploit is not available.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-31081). If you want to get best quality of vulnerability data, you may have to visit 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: 🔍

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/15/2023 🔍
05/23/2023 +68 days 🔍
05/23/2023 +0 days 🔍
11/16/2025 +908 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

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

CVE: CVE-2023-27304 (🔍)
GCVE (CVE): GCVE-0-2023-27304
GCVE (VulDB): GCVE-100-229706
EUVD: 🔍

Entryinfo

Created: 05/23/2023 07:37
Updated: 11/16/2025 20:44
Changes: 05/23/2023 07:37 (37), 06/16/2023 09:51 (11), 11/16/2025 20:44 (15)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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