CVE-2024-21182: in the CISA KEV catalogue

Oracle WebLogic Server Unspecified Vulnerability. CISA added CVE-2024-21182 to the Known Exploited Vulnerabilities catalogue on 2026-06-01 with a default due date of 2026-06-04. Known ransomware campaign use: Unknown. Forensic triage flag: No.

Oracle WebLogic contains an unspecified vulnerability that could allow an 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. (CISA description)

Vendor / product: Oracle WebLogic Server
CWE: Not listed
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS: 74%, percentile 99 (scored 2026-11-03)

EPSS puts about 74 in 100 odds (74%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.

Vendor and reference links (from CISA)

Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.

Data dates. CISA KEV catalogue version 2026.11.03, released 2026-11-03, 1,767 entries (checked 2026-11-03). EPSS model v2026.06.15, scored 2026-11-03, 399,388 CVEs. Sources: CISA and FIRST (EPSS by FIRST; scores generated by Empirical Security). Copied to our own database and refreshed automatically; if a refresh fails, the previous copy keeps serving with its own date.

Frequently asked questions

Is CVE-2024-21182 in the CISA KEV catalogue?

Yes. CISA added CVE-2024-21182 (Oracle WebLogic Server Unspecified Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2026-06-01. CISA's default due date for it is 2026-06-04.

Is CVE-2024-21182 used in ransomware attacks?

CISA marks known ransomware campaign use as Unknown for CVE-2024-21182. That means CISA lacks confirmation, not that ransomware groups do not use it.

What should I do about CVE-2024-21182?

CISA's required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Sources

CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
NVD record for CVE-2024-21182