VDB-194920 · CVE-2021-42390 · Nessus 216691

Clickhouse DeltaDouble Compression Codec divide by zero

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Clickhouse. Affected by this vulnerability is an unknown functionality of the component DeltaDouble Compression Codec. Executing a manipulation can lead to divide by zero. This vulnerability is registered as CVE-2021-42390. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Clickhouse (unknown version). It has been declared as problematic. This vulnerability affects an unknown code block of the component DeltaDouble Compression Codec. The manipulation with an unknown input leads to a divide by zero vulnerability. The CWE definition for the vulnerability is CWE-369. The product divides a value by zero. As an impact it is known to affect availability.

The weakness was published 03/15/2022. The advisory is shared for download at jfrog.com. This vulnerability was named CVE-2021-42390 since 10/14/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 216691 (ClickHouse < 21.10.2.15 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (216691). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Clickhouse

CPE 2.3info

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CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Divide by zero
CWE: CWE-369 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 216691
Nessus Name: ClickHouse < 21.10.2.15 Multiple Vulnerabilities

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/14/2021 🔍
03/15/2022 +152 days 🔍
03/15/2022 +0 days 🔍
06/25/2025 +1198 days 🔍

Sourcesinfo

Advisory: jfrog.com
Status: Not defined

CVE: CVE-2021-42390 (🔍)
GCVE (CVE): GCVE-0-2021-42390
GCVE (VulDB): GCVE-100-194920

Entryinfo

Created: 03/15/2022 08:15
Updated: 06/25/2025 23:29
Changes: 03/15/2022 08:15 (35), 03/16/2022 17:19 (1), 03/16/2022 17:27 (1), 02/24/2025 21:56 (16), 06/25/2025 23:29 (19)
Complete: 🔍
Cache ID: 216::103

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