Unauthenticated T3 and IIOP Network Access to Oracle WebLogic Enables System Compromise; CISA's June 4th KEV Mandate for Covered Entities Has Been Lapsed for Months

Last refreshed2026-09-27

Status: KEV | Advisory ID: CVE-2024-21182

Key Details

CVE	CVE-2024-21182
Vulnerability Name	Oracle WebLogic Server Unspecified Vulnerability
Affected products	Oracle WebLogic Server
Exploitation status	Listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
KEV listing	Added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-06-01.
Exploitation prediction (EPSS)	74.16% probability of exploitation in the next 30 days (99% percentile) -- FIRST.org's EPSS model.
Federal remediation deadline	2026-06-04 (CISA KEV, Binding Operational Directive).

Affected Products, Subsystems & Sectors

Vendor	Product	Affected Versions	Patch Status
Oracle	WebLogic Server

Vendor

Product

Affected Versions

Patch Status

Oracle

WebLogic Server

Subsystems	General OT
Sectors	Multiple

What to Know

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.

What to Do

Monitor Oracle's web page for any future patch releases.

References

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2024-21182
CVE	https://www.cve.org/CVERecord?id=CVE-2024-21182

Source

Reference

NVD

https://nvd.nist.gov/vuln/detail/CVE-2024-21182

CVE

https://www.cve.org/CVERecord?id=CVE-2024-21182

KEV Required Action

Field	Value
KEV Link	https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Date Added to KEV	2026-06-01
Required Action Due Date	2026-06-04
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.

Field

Value

KEV Link

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Date Added to KEV

2026-06-01

Required Action Due Date

2026-06-04

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.