VDB-102165 · CVE-2016-4910 · BID 94966

Cybozu Garoon up to 3.x/4.2.2 MultiReport Filter access control

CVSS Meta Temp Score
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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 3.x/4.2.2. It has been rated as critical. This affects an unknown function of the component MultiReport Filter Handler. Performing a manipulation results in access control. This vulnerability is known as CVE-2016-4910. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Cybozu Garoon up to 3.x/4.2.2 (Groupware Software). It has been classified as critical. This affects an unknown function of the component MultiReport Filter Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Cybozu Garoon 3.0.0 to 4.2.2 allows remote authenticated attackers to bypass access restriction to delete other operational administrators' MultiReport filters via unspecified vectors.

The bug was discovered 12/19/2016. The weakness was published 06/09/2017 with Cybozu, Inc. (Website). The advisory is shared at jvn.jp. This vulnerability is uniquely identified as CVE-2016-4910 since 05/17/2016. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 172 days. During that time the estimated underground price was around $0-$5k.

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 SecurityFocus (BID 94966†). Similar entries are available at VDB-102163 and VDB-102166. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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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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OpenVAS ID: 801056
OpenVAS Name: Cybozu Garoon Multiple Vulnerabilities - Oct16
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/17/2016 🔍
12/19/2016 +216 days 🔍
12/20/2016 +1 days 🔍
06/09/2017 +171 days 🔍
06/09/2017 +0 days 🔍
06/10/2017 +1 days 🔍
12/26/2020 +1295 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

Advisory: jvn.jp
Researcher: Cybozu, Inc.
Organization: Cybozu, Inc.
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4910 (🔍)
GCVE (CVE): GCVE-0-2016-4910
GCVE (VulDB): GCVE-100-102165
SecurityFocus: 94966 - Cybozu Garoon Multiple Access Bypass Vulnerabilities

See also: 🔍

Entryinfo

Created: 06/10/2017 08:47
Updated: 12/26/2020 18:07
Changes: 06/10/2017 08:47 (66), 10/15/2019 16:29 (4), 12/26/2020 18:07 (2)
Complete: 🔍
Cache ID: 216::103

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

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