VDB-171376 · CVE-2021-20625 · GCVE-0-2021-20625

Cybozu Office up to 10.8.4 Bulletin Board 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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.7	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Cybozu Office up to 10.8.4. The impacted element is an unknown function of the component Bulletin Board. Executing a manipulation can lead to access control. This vulnerability is handled as CVE-2021-20625. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cybozu Office up to 10.8.4 (Office Suite Software). It has been declared as critical. This vulnerability affects some unknown functionality of the component Bulletin Board. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 03/18/2021. The advisory is shared for download at jvn.jp. This vulnerability was named CVE-2021-20625. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Office Suite Software

Vendor

Cybozu

Name

Office

Version

License

commercial

Website

Vendor: https://cybozu-global.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
03/18/2021 +91 days 🔍
03/18/2021 +0 days 🔍
04/02/2021 +15 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

Advisory: jvn.jp
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-20625 (🔍)
GCVE (CVE): GCVE-0-2021-20625
GCVE (VulDB): GCVE-100-171376

Entryinfo

Created: 03/18/2021 07:38
Updated: 04/02/2021 11:05
Changes: 03/18/2021 07:38 (39), 04/02/2021 10:59 (5), 04/02/2021 11:05 (18)
Complete: 🔍
Cache ID: 216::103