Patchfirst
CVE-2021-2135 Public exploit Critical · 9.8 EPSS 8.4%

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Coherence Container)

Oracle Corporation · WebLogic Server

Summary

A flaw in the Coherence Container component of Oracle WebLogic Server, part of Oracle Fusion Middleware, affects that product. An unauthenticated attacker with network access over the T3 or IIOP protocols can easily exploit it without any user interaction or special configuration, and successful exploitation can lead to full takeover of the server.

Official description · CVE.org

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).

Breakdown
66.9 / 100
Exploited
Yes, in VulnCheck KEV
Reports
0
Tactics
0/15

First seen exploited 6 months after disclosure.

  1. Disclosedday 0
  2. First seen exploitedVulnCheck KEV evidence+6 mo

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 2 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

1 link, grouped by NVD tag
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