HIGH CISA KEV

CVE-2023-21839

CVSS v3

7.5

HIGH

EPSS Score

94.1 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

CISA Known Exploited Vulnerability

Date Added: 2023-05-01
Patch Due Date: 2023-05-22
Ransomware Use: Unknown

Technical details

Published: 2023-01-18

Frequently asked questions

What is CVE-2023-21839?

Is CVE-2023-21839 actively exploited?

Yes. CVE-2023-21839 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-05-22.

What is the CVSS score for CVE-2023-21839?

CVE-2023-21839 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2023-21839 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

Check an IP Search CVEs SIEM & TIP integrations

No credit card required · 500 free checks/month · Free API key

Other 2023 vulnerabilities worth triaging

Ranked by exploit probability (EPSS).

Back to CVE Database