What is CVE-2015-4068?

CVE-2015-4068 is a critical-severity vulnerability in Arcserve Udp, classified under Path Traversal. CVSS score: 9.1/10. Published 2015-05-29.

How severe is CVE-2015-4068?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2015-4068 known to be exploited?

Yes. CVE-2015-4068 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.

Path Traversal in Arcserve Udp

CVE-2015-4068

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2015-05-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.636 (99.2th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.636 · newest: 0.636 · change: 0.000

Affected products

Arcserve Udp — versions 5.0

Weakness classification (CWE)

CWE-22 — Path Traversal

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-25. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-04-15.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

www.zerodayinitiative.com/advisories/ZDI-15-242/ (VDB Entry, Third Party Advisory)
www.securityfocus.com/bid/74845 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
documentation.arcserve.com/Arcserve-UDP/Available/V5/ENU/Bookshelf_Files/HTML/U… (Release Notes, Vendor Advisory)
www.zerodayinitiative.com/advisories/ZDI-15-241/ (VDB Entry, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2015-4068?: CVE-2015-4068 is a critical-severity vulnerability in Arcserve Udp, classified under Path Traversal. CVSS score: 9.1/10. Published 2015-05-29.
How severe is CVE-2015-4068?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2015-4068 known to be exploited?: Yes. CVE-2015-4068 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.