Vulnerability

CVE-2015-4068

Critical· 9.1KEVCVSS9.1EPSS80%

.rules3/5

Arcserve Unified Data Protection (UDP) Directory Traversal Vulnerability

Directory traversal vulnerability in Arcserve UDP allows remote attackers to obtain sensitive information or cause a denial of service.

Threat signal

100/100

Severe

Severity

critical

CVSS

9.1

EPSS

80%

Active

KEV

CISA KEV — actively exploited

1520d overdue

AffectedArcserve — Unified Data Protection (UDP)

Added to KEV

2022-03-25

Federal patch due (BOD 22-01)

2022-04-15

Required action (CISA verbatim)

Apply updates per vendor instructions.

Vendor advisory + references

https://nvd.nist.gov/vuln/detail/CVE-2015-4068

CISA description: “Directory traversal vulnerability in Arcserve UDP allows remote attackers to obtain sensitive information or cause a denial of service.”

CVSS

v3.1Open in FIRST calculator →

9.1/ 10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredNoneUnauthenticated — no credentials needed.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactNoneNo integrity impact.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

80.4%

probability of exploitation in next 30 days

p99

higher than 99% of all CVEs

3-day trend↑ 0pp

Statistically about to be weaponized — top-tier triage urgency.

Vendor VEX

No VEX statements published for CVE-2015-4068. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAct

Active exploitation with total impact on essential/support systems

exploitation: active
automatable: yes
impact: total
mission: support

Lifecycle

2022-03-25Added to CISA KEVransomware: Unknown
2022-03-25Published
2022-04-15Federal patch due (BOD 22-01)
2026-06-12Last modified1 source

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.