Skip to main content
No exploitation reported

CVE-2024-6873

No exploitation reported by the sources we read.

  • Published2024-08-01
  • WeaknessCWE-122

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

It is possible to crash or redirect the execution flow of the ClickHouse server process from an unauthenticated vector by sending a specially crafted request to the ClickHouse server native interface. This redirection is limited to what is available within a 256-byte range of memory at the time of execution, and no known remote code execution (RCE) code has been produced or exploited.  Fixes have been merged to all currently supported version of ClickHouse. If you are maintaining your own forked version of ClickHouse or using an older version and cannot upgrade, the fix for this vulnerability can be found in this commit  https://github.com/ClickHouse/ClickHouse/pull/64024 .

Timeline

dates in UTC
  1. 2024-08-0116:15CVE publishedNVD

Versions per branch

Products declared by the CNA1 product

As ClickHouse, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • ClickHouseother versions: unknown

    package clickhousehttps://github.com/ClickHouse/clickhouse

    Affected
    • ≥ v23.8.0, < v23.8.15.35-ltsfixed in v23.8.15.35-ltscustom
    • ≥ v24.3.0, < v24.3.4.147-ltsfixed in v24.3.4.147-ltscustom
    • ≥ v24.4.0, < v24.4.2.141-stablefixed in v24.4.2.141-stablecustom
    • ≥ v24.5.0, < v24.5.1.1763fixed in v24.5.1.1763custom
    • ≥ v24.6.0, < v24.6.1.4423-stablefixed in v24.6.1.4423-stablecustom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2024-08-01

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • clickhouseUbuntu:24.04:LTSall versions · no fixed version listed
  • clickhouseUbuntu:20.04:LTSall versions · no fixed version listed

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionnone2024-08-02
  • CNACVSS 3.18.1known since 2026-10-23
  • CNAweakness (CWE)CWE-122known since 2026-10-23
  • FIRST EPSSEPSS score0.7 %2026-11-08
  • OSVaffected packages—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H
Published
2024-08-01
Last Modified
2026-06-17
NVD status
Deferred

Frequently asked questions

What is CVE-2024-6873?

It is possible to crash or redirect the execution flow of the ClickHouse server process from an unauthenticated vector by sending a specially crafted request to the ClickHouse server native interface. This redirection is limited to what is available within a 256-byte range of memory at the time of execution, and no known remote code execution (RCE) code has been produced or exploited.  Fixes have been merged to all currently supported version of ClickHouse. If you are maintaining your own forked version of ClickHouse or using an older version and cannot upgrade, the fix for this vulnerability can be found in this commit  https://github.com/ClickHouse/ClickHouse/pull/64024 .

Is CVE-2024-6873 actively exploited?

Active exploitation of CVE-2024-6873 has not been confirmed. Its EPSS score was 0.7% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-6873?

CVE-2024-6873 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H.

Running clickhouse? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record