Oracle Multiple Products Remote Code Execution Vulnerability

Exploited · KEV 2021-11-03Metasploit moduleCVE-2020-2555CWE-502

Exploited since 2021-11-03. No WAF vendor names it yet.

Edge rules

0/8

Our test

No exploit yet

CVSS

9.8

EPSS

97.1% Top 0.1%

Posts, 14d

Published

2020-01-15

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching,CacheStore,Invocation). Supported versions that are affected are 3.7.1.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle Coherence. Successful attacks of this vulnerability can result in takeover of Oracle Coherence. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Edge coverage

Claimed by vendors

CloudflareBefore feed historyOlder than its feed AWSNo public claimNot named Microsoft AzureNo public claimNot named Google CloudBefore feed historyOlder than its feed 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 3.0

9.8Critical

Critical · 9.8 / 10

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

Over the internetNo 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 requiredNo account or login is needed.
None
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:3.0/AV:N/AC:L/PR:N/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.

AutomatableYes

Attackers can script the attack end to end and hit many targets at once.

Technical impactTotal

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

Public exploits

3 found

1 Metasploit2 Exploit-DB0 Scanner template0 GitHub PoCs

MetasploitWebLogic Server Deserialization RCE - BadAttributeValueExpException2020-01-15 · exploit · rank Normal · has check
Exploit-DBWebLogic Server - Deserialization RCE - BadAttributeValueExpException (Metasploit)2020-05-22 · remote · multiple · verified
Exploit-DBOracle WebLogic Server 12.2.1.4.0 - Remote Code Execution2020-04-14 · webapps · java

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

Timeline

2020-01-15
CVE published
CVE List
2020-01-15
Metasploit module published
WebLogic Server Deserialization RCE - BadAttributeValueExpException
2020-04-14
Exploit published on Exploit-DB
Oracle WebLogic Server 12.2.1.4.0 - Remote Code Execution
2021-11-03
Added to CISA KEV
Confirmed exploitation in the wild