Couchbase Server up to 6.6.2/7.0.1 information disclosure

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.
3.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Couchbase Server up to 6.6.2/7.0.1. This issue affects some unknown processing. The manipulation results in information disclosure. This vulnerability is cataloged as CVE-2021-42763. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Couchbase Server up to 6.6.2/7.0.1. Affected is an unknown code block. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

The weakness was shared 11/02/2021. The advisory is shared for download at docs.couchbase.com. This vulnerability is traded as CVE-2021-42763 since 10/20/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 6.6.3 or 7.0.2 eliminates this vulnerability. The upgrade is hosted for download at docs.couchbase.com.

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

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server 6.6.3/7.0.2

Timelineinfo

10/20/2021 🔍
11/02/2021 +13 days 🔍
11/02/2021 +0 days 🔍
11/05/2021 +3 days 🔍

Sourcesinfo

Advisory: docs.couchbase.com
Status: Confirmed

CVE: CVE-2021-42763 (🔍)
GCVE (CVE): GCVE-0-2021-42763
GCVE (VulDB): GCVE-100-185904

Entryinfo

Created: 11/02/2021 19:42
Updated: 11/05/2021 04:02
Changes: 11/02/2021 19:42 (39), 11/05/2021 04:02 (1)
Complete: 🔍
Cache ID: 216::103

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