Couchbase Server up to 7.2.3 cURL /diag/eval 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.
7.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Couchbase Server up to 7.2.3. Impacted is an unknown function of the file /diag/eval of the component cURL. Executing a manipulation can lead to access control. This vulnerability is tracked as CVE-2023-49930. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Couchbase Server up to 7.2.3 and classified as critical. This vulnerability affects an unknown functionality of the file /diag/eval of the component cURL. 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. CVE summarizes:

An issue was discovered in Couchbase Server before 7.2.4. cURL calls to /diag/eval are not sufficiently restricted.

The weakness was disclosed 02/28/2024. The advisory is shared for download at forums.couchbase.com. This vulnerability was named CVE-2023-49930 since 12/03/2023. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 7.2.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-53825). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server 7.2.4

Timelineinfo

12/03/2023 🔍
02/28/2024 +87 days 🔍
02/28/2024 +0 days 🔍
03/05/2026 +736 days 🔍

Sourcesinfo

Advisory: forums.couchbase.com
Status: Confirmed

CVE: CVE-2023-49930 (🔍)
GCVE (CVE): GCVE-0-2023-49930
GCVE (VulDB): GCVE-100-255172
EUVD: 🔍

Entryinfo

Created: 02/28/2024 22:33
Updated: 03/05/2026 12:01
Changes: 02/28/2024 22:33 (41), 02/15/2025 02:09 (27), 03/05/2026 12:01 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!