VDB-255165 · CVE-2023-43769 · GCVE-0-2023-43769

Couchbase Server up to 7.1.4/7.2.0 RMI Service improper authentication

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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Couchbase Server up to 7.1.4/7.2.0. This impacts an unknown function of the component RMI Service. Performing a manipulation results in improper authentication. This vulnerability is known as CVE-2023-43769. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Couchbase Server up to 7.1.4/7.2.0. It has been classified as critical. This affects an unknown functionality of the component RMI Service. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Couchbase Server through 7.1.4 before 7.1.5 and before 7.2.1. There are Unauthenticated RMI Service Ports Exposed in Analytics.

The weakness was published 02/28/2024. The advisory is shared at forums.couchbase.com. This vulnerability is uniquely identified as CVE-2023-43769 since 09/22/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 7.1.5 or 7.2.1 eliminates this vulnerability.

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Productinfo

Vendor

Couchbase

Name

Server

Version

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: 🔍

Upgrade: Server 7.1.5/7.2.1

Timelineinfo

09/22/2023 🔍
02/28/2024 +159 days 🔍
02/28/2024 +0 days 🔍
02/28/2024 +0 days 🔍

Sourcesinfo

Advisory: forums.couchbase.com
Status: Confirmed

CVE: CVE-2023-43769 (🔍)
GCVE (CVE): GCVE-0-2023-43769
GCVE (VulDB): GCVE-100-255165

Entryinfo

Created: 02/28/2024 22:30
Changes: 02/28/2024 22:30 (40)
Complete: 🔍
Cache ID: 216::103