Directory Traversal in Arcserve Unified Data Protection (CVE‑2015‑4068) Risks Data Exposure and Service Disruption
What It Is – A directory‑traversal flaw (CVE‑2015‑4068) in Arcserve Unified Data Protection (UDP) allows an unauthenticated remote attacker to request arbitrary files from the server’s filesystem or to trigger a denial‑of‑service condition.
Exploitability – The vulnerability is publicly disclosed and can be exploited with a crafted HTTP request; no authentication is required. CVSS v3.1 base score is 7.5 (High).
Affected Products – Arcserve Unified Data Protection (any version prior to the vendor’s 2015‑12 patch).
Why It Matters for Trust & Control Assurance
- Demonstrates the need for continuous patch‑management and evidence of remediation, a core control that maps to many frameworks (e.g., NIST CSF 2.0, ISO 27001).
- Unpatched backup infrastructure creates a control gap that auditors will flag when reviewing change‑management and configuration‑hardening processes.
- Documented remediation provides defensible audit evidence of due‑diligence, helping enterprises maintain a trustworthy security posture for customers and partners.
Recommended Actions
- Inventory all Arcserve UDP instances and confirm the installed version.
- Apply the vendor‑released patch or upgrade to a version that includes the fix for CVE‑2015‑4068.
- Record the remediation in your vulnerability‑management system and retain logs of the patch‑application as audit evidence.
- Validate that logging captures any attempted exploitation attempts post‑remediation.
Source: CISA KEV – CVE‑2015‑4068