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Clickhouse CVE-2024-23689

HIGH
Error Message Information Leak (CWE-209)
2024-01-19 disclosure@vulncheck.com
8.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Error message sanitization
MITRE ATT&CK

1 technique across 1 tactic: Discovery

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.7% exploitation probability (EPSS)

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AnalysisAI

Exposure of sensitive information in exceptions in ClichHouse's clickhouse-r2dbc, com.clickhouse:clickhouse-jdbc, and com.clickhouse:clickhouse-client versions less than 0.4.6 allows unauthorized. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

maven com.clickhouse:clickhouse-client fix: 0.4.6
maven com.clickhouse:clickhouse-jdbc fix: 0.4.6
maven com.clickhouse:clickhouse-r2dbc fix: 0.4.6

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 3 packages in maven

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-209. Exposure of sensitive information in exceptions in ClichHouse's clickhouse-r2dbc, com.clickhouse:clickhouse-jdbc, and com.clickhouse:clickhouse-client versions less than 0.4.6 allows unauthorized users to gain access to client certificate passwords via client exception logs. This occurs when 'sslkey' is specified and an exception, such as a ClickHouseException or SQLException, is thrown during database operations; the certificate password is then included in the logged exception message. Affected products include: Clickhouse Java Libraries.

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Severity by source

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Exposure of sensitive information in exceptions in ClichHouse's clickhouse-r2dbc, com.clickhouse:clickhouse-jdbc, and com.clickhouse:clickhouse-client versions less than 0.4.6 allows unauthorized users to gain access to client certificate passwords via client exception logs. This occurs when 'sslkey' is specified and an exception, such as a ClickHouseException or SQLException, is thrown during database operations; the certificate password is then included in the logged exception message.

Threat Intelligence Overview

EPSS Score
0.7%
Top 52% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 0.7%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

65
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +44
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:clickhouse:java_libraries:*:*:*:*:*:*:*:*
CVE-2026-111497 CRITICAL POC
9.2 Oct 21

Remote code execution is possible in Node.js releases that bundle a vulnerable Brotli decoder: a malformed brotli-compre

CVE-2024-41436 HIGH POC
7.5 Sep 03

ClickHouse v24.3.3.102 was discovered to contain a buffer overflow via the component DB::evaluateConstantExpressionImpl.

CVE-2023-47118 CRITICAL
9.8 Dec 20

ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports

CVE-2019-16535 CRITICAL
9.8 Dec 30

In all versions of ClickHouse before 19.14, an OOB read, OOB write and integer underflow in decompression algorithms can

CVE-2026-116366 CRITICAL
9.5 Oct 30

Unauthenticated remote code execution is possible against ClickHouse Server under certain conditions, with a CVSS 4.0 sc

CVE-2026-114087 CRITICAL
9.2 Oct 21

Authentication bypass in Trigger.dev self-hosted v4 deployments (npm trigger.dev <=4.5.5) allows unauthenticated attacke

CVE-2024-22412 MEDIUM POC
4.9 Mar 18

ClickHouse is an open-source column-oriented database management system. Rated medium severity (CVSS 4.9), this vulnerab

CVE-2026-93426 HIGH
8.4 Sep 17

SQL injection in the SigNoz v5 query_range API (versions 0.87.0 through 0.141.x) lets authenticated users with the Viewe

CVE-2019-16536 HIGH
8.2 May 21

Stack overflow leading to DoS can be triggered by a malicious authenticated client in Clickhouse before 19.14.3.3. Rated

CVE-2023-48704 HIGH
7.5 Dec 22

ClickHouse is an open-source column-oriented database management system that allows generating analytical data reports i

CVE-2023-48298 HIGH
7.5 Dec 21

ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports

CVE-2026-116807 HIGH
7.0 Oct 26

OpenPanel deployments before 3.0.0 are exposed to SQL injection through the tRPC `event.events` query, which splices an

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