CVE-2018-18658

An issue was discovered in Arcserve Unified Data Protection (UDP) through 6.5 Update 4. There is...

7.5 High

An issue was discovered in Arcserve Unified Data Protection (UDP) through 6.5 Update 4. There is a DDI-VRT-2018-20 Unauthenticated Sensitive Information Disclosure via /UDPUpdates/Config/FullUpdateSettings.xml issue.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

1.34%Up 0.5 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2018-18658
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-18658
Updated: 2026-11-02

EUVDEUVD-2018-10374 No score

Record: EUVD-2018-10374
Updated: 2026-11-03

GitHub AdvisoriesGHSA-q6gr-22xv-whph 7.5

An issue was discovered in Arcserve Unified Data Protection (UDP) through 6.5 Update 4. There is...

Record: GHSA-q6gr-22xv-whph
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

Affected products

arcserve udp

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-18658 is a high vulnerability (CVSS 7.5) in Arcserve Udp, published October 26, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.34%, the 71st percentile. No source names a fixed version.