What is the CVSS score of CVE-2026-21997?

CVE-2026-21997 has a CVSS 3.1 base score of 8.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N. EPSS exploitation probability: 0.0%.

Oracle CVE-2026-21997

EUVD-2026-24293 HIGH

Improper Access Control (CWE-284)

2026-04-21 oracle

GHSA-fjgq-vg76-2mmp

Authentication Bypass Oracle

8.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.5 HIGH

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

High

Availability

None

Lifecycle Timeline

EUVD ID Assigned

Apr 21, 2026 - 21:01 euvd

EUVD-2026-24293

CVE Published

Apr 21, 2026 - 20:34 nvd

HIGH 8.5

DescriptionCVE.org

Vulnerability in the Oracle Life Sciences Empirica Signal product of Oracle Life Science Applications (component: Common Core). Supported versions that are affected are 9.2.1-9.2.3. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Life Sciences Empirica Signal. While the vulnerability is in Oracle Life Sciences Empirica Signal, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Life Sciences Empirica Signal accessible data as well as unauthorized read access to a subset of Oracle Life Sciences Empirica Signal accessible data. CVSS 3.1 Base Score 8.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N).