Cybozu Remote Service 3.1.8/3.1.9 Management Screen privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Cybozu Remote Service 3.1.8/3.1.9. Affected by this issue is some unknown functionality of the component Management Screen. The manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2021-20803. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Cybozu Remote Service 3.1.8/3.1.9 and classified as critical. This issue affects some unknown functionality of the component Management Screen. Impacted is confidentiality, integrity, and availability.

The weakness was released 10/13/2021. The advisory is shared at jvn.jp. The identification of this vulnerability is CVE-2021-20803 since 12/17/2020. Neither technical details nor an exploit are publicly available.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

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

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

12/17/2020 🔍
10/13/2021 +299 days 🔍
10/13/2021 +0 days 🔍
10/20/2021 +7 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

Advisory: jvn.jp
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-20803 (🔍)
GCVE (CVE): GCVE-0-2021-20803
GCVE (VulDB): GCVE-100-184361

Entryinfo

Created: 10/13/2021 14:20
Updated: 10/20/2021 09:30
Changes: 10/13/2021 14:20 (36), 10/20/2021 09:30 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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