CVE-2026-21973

Vulnerability in the Oracle FLEXCUBE Investor Servicing product of Oracle Financial Services Applications (component: Security Management System). Supported versions that are affected are 14.5.0.15.0, 14.7.0.8.0 and 14.8.0.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Investor Servicing. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle FLEXCUBE Investor Servicing accessible data as well as unauthorized access to critical data or complete access to all Oracle FLEXCUBE Investor Servicing accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

Published: 2026-01-20 Last update: 2026-02-02 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-21973 is rated Moderate Risk (40.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.07%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-21973

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-03 0.03% 0.07% +0.04%
2 2026-01-21 — 0.03% —

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-21973

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 5.2 [email protected]

Weakness enumeration for CVE-2026-21973

Affected software / configurations for CVE-2026-21973

Vendor Product Version Raw CPE
oracle flexcube_investor_servicing 14.5.0.15.0 cpe:2.3:a:oracle:flexcube_investor_servicing:14.5.0.15.0:*:*:*:*:*:*:*
oracle flexcube_investor_servicing 14.7.0.8.0 cpe:2.3:a:oracle:flexcube_investor_servicing:14.7.0.8.0:*:*:*:*:*:*:*
oracle flexcube_investor_servicing 14.8.0.1.0 cpe:2.3:a:oracle:flexcube_investor_servicing:14.8.0.1.0:*:*:*:*:*:*:*

References for CVE-2026-21973

cvelogic Threat Intelligence