Oracle WebLogic Server Unspecified Vulnerability

Exploited · KEV 2021-11-03Metasploit moduleCVE-2020-14883

Exploited since 2021-11-03. No WAF vendor names it yet. Our CRS test: blocked.

Edge rules

0/8

Our test

Blocked

CVSS

7.2

EPSS

97.7% Top 0.1%

Posts, 14d

Published

2020-10-21

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Console). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

Edge coverage

Claimed by vendors

CloudflareBefore feed historyOlder than its feedEnterprise: blocked · Free: passed AWSNo public claimNot namedWe measured: blocked Microsoft AzureNo public claimNot named Google CloudBefore feed historyOlder than its feedWe measured: blocked FastlyBefore feed historyOlder than its feed F5Before feed historyOlder than its feed AkamaiNo public sourceNo public changelog OWASP CRSBefore feed historyOlder than its feed

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Severity, decoded

CVSS 3.1

7.2High

High · 7.2 / 10

Exploitable over the network, with high privileges and no user interaction, leading to full loss of confidentiality, integrity and availability.

Over the internetAdmin login neededNo user actionWorks reliablyFull compromise

How the score is built8 metrics

Attack vectorAn attacker can reach it over the internet; no access to your network needed.
Network
Attack complexityNo special conditions are needed; the attack works reliably.
Low
Privileges requiredThe attacker needs an administrator-level account.
High
User interactionNo one has to click or open anything; the attack works on its own.
None
ScopeThe damage stays within the vulnerable component.
Unchanged
Confidentiality impactAn attacker can read all data the affected component holds, or the most sensitive parts of it.
High
Integrity impactAn attacker can change any data or files the affected component protects.
High
Availability impactAn attacker can take the component down completely or keep it from serving anyone.
High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA's assessmentSSVC, from the CVE record

ExploitationActive

Attackers are exploiting this in the wild.

AutomatableNo

At least one step needs hands-on work, which slows mass attacks.

Technical impactTotal

A successful attack gives full control over the affected software or all of its data.

Public exploits

2 found

1 Metasploit0 Exploit-DB1 Scanner template0 GitHub PoCs

MetasploitOracle WebLogic Server Administration Console Handle RCE2020-10-20 · exploit · rank Excellent · has check
NucleiCVE-2020-14883.yamldetection template, replayed in our lab

Links are to third-party code: never run it outside an isolated lab.

Timeline

2020-10-20
Metasploit module published
Oracle WebLogic Server Administration Console Handle RCE
2020-10-21
CVE published
CVE List
2021-11-03
Added to CISA KEV
Confirmed exploitation in the wild
2026-11-02
Our test: OWASP Core Rule Set blocked it
paranoia level 1, anomaly threshold 5, default CRS settings
2026-11-02
Our test: OWASP Core Rule Set blocked it
paranoia level 2, anomaly threshold 5, default CRS settings