CVE-2020-5015

IBM Elastic Storage System 6.0.0 through 6.0.1.2 and IBM Elastic Storage Server 5.3.0 through 5.3...

7.5 High

IBM Elastic Storage System 6.0.0 through 6.0.1.2 and IBM Elastic Storage Server 5.3.0 through 5.3.6.2 could allow a remote attacker to cause a denial of service by sending malformed UDP requests. IBM X-Force ID: 193486.

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: None
Integrity: None
Availability: High

Exploit likelihood

2.55%Down 6.9 points since Apr 14, 2021

What each source reports

CVE List Score used 7.5

Record: CVE-2020-5015
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/S:U/AC:L/C:N/A:H/UI:N/I:N/PR:N/RL:O/E:U/RC:C
Updated: 2026-11-02

EUVDEUVD-2020-26262 7.5

Record: EUVD-2020-26262
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/S:U/AC:L/C:N/A:H/UI:N/I:N/PR:N/RL:O/E:U/RC:C
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8fxc-q593-x6h3 No score

IBM Elastic Storage System 6.0.0 through 6.0.1.2 and IBM Elastic Storage Server 5.3.0 through 5.3...

Record: GHSA-8fxc-q593-x6h3
Updated: 2026-11-02

NVD 7.5

Record: CVE-2020-5015
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	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-2020-5015 is a high vulnerability (CVSS 7.5) in Ibm Elastic Storage Server, published March 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.55%, the 85th percentile. No source names a fixed version.