Threats / Arcserve / CVE-2015-4068
CVE-2015-4068
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Arcserve Unified Data Protection (UDP) vulnerability
Directory traversal vulnerability in Arcserve Unified Data Protection allows remote attackers to read sensitive files or trigger denial of service.
Verdict
Today item — known-exploited.
A path traversal flaw in Arcserve UDP enables unauthenticated remote access to arbitrary files on affected systems. The high EPSS score and confirmed wild exploitation indicate active abuse. Organizations running UDP should prioritize patching.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
8 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25).
Probability (EPSS)
EPSS 0.63643 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Arcserve, Unified Data Protection (UDP). Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-22 Path Traversal — weakness family: Path traversal / file.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft requests with directory traversal sequences to escape intended file boundaries and access sensitive configuration or credential files.
Business
Confidential backup metadata, encryption keys, or system credentials are exposed, enabling lateral movement or data exfiltration.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I repeatedly request non-existent or malformed paths through the traversal mechanism to exhaust server resources or trigger unhandled exceptions.
Business
Backup and recovery operations become unavailable, disrupting business continuity and extending recovery time objectives.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05