What is CVE-2021-2135?

CVE-2021-2135 is a critical-severity vulnerability in Oracle Weblogic Server. CVSS score: 9.8/10. Published 2021-04-22.

How severe is CVE-2021-2135?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-2135 known to be exploited?

9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Oracle Weblogic Server

CVE-2021-2135

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Coherence Container). 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 takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

EPSS: 0.084 (94.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Oracle Weblogic_server — versions 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0
Oracle Corporation Weblogic Server — versions 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0

Public proof-of-concept exploits

References

secalert_us@oracle.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-2135?: CVE-2021-2135 is a critical-severity vulnerability in Oracle Weblogic Server. CVSS score: 9.8/10. Published 2021-04-22.
How severe is CVE-2021-2135?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-2135 known to be exploited?: 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.