CVE-2020-2555

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.971 · 100 %ileexploit · functionalDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 8 exploits · functional

Likely / severe?

97.1% (100th) EPSS

CVSS 7.5 · high

Is it mine?

42 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2021-11-03remediate by 2022-05-03

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Oracle Multiple Products Remote Code Execution Vulnerability

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).

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · secalert_us@oracle.com USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USprimaryCWE-264US

exploits (8)

Public proof-of-concept and weaponised exploit code.

EDB-48508WebLogic Server - Deserialization RCE - BadAttributeValueExpException (Metasploit)functional · exploit_db
exploit/multi/misc/weblogic_deserialize_badattrvalWebLogic Server Deserialization RCE - BadAttributeValueExpExceptionfunctional · metasploit
EDB-48320Oracle WebLogic Server 12.2.1.4.0 - Remote Code ExecutionPoC · exploit_db
Hu3sky/CVE-2020-2555Hu3sky/CVE-2020-2555PoC · poc_in_github
Maskhe/cve-2020-2555CVE-2020-2555PoC · poc_in_github
Qynklee/POC_CVE-2020-2555poc for CVE-2020-2555PoC · poc_in_github

affected products (42)

Products and version ranges known to be affected.

Oracle Fusion Middlewareall versionscert_bundDEcpe:/a:oracle:fusion_middleware:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Oracle Corporation Utilities Framework≤ 4.4.0.0.0enisa_euvdEU
Oracle Corporation Utilities Framework≤ 4.4.0.2.0enisa_euvdEU
Oracle Corporation Utilities Framework≤ 4.3.0.1.0-4.3.0.6.0enisa_euvdEU
Oracle Corporation Utilities Framework≤ 4.2.0.3.0enisa_euvdEU
Oracle Corporation Utilities Framework≤ 4.2.0.2.0enisa_euvdEU
Oracle Corporation WebCenter Portal≤ 12.2.1.4.0enisa_euvdEU
Oracle Corporation WebCenter Portal≤ 12.2.1.3.0enisa_euvdEU
Oracle Corp. Communications Diameter Signaling Router8.0.0 → 8.2.2fstec_bduRU
Oracle Corp. Oracle Coherence≤ 12.2.1.3.0fstec_bduRU
Oracle Corp. Oracle Coherence≤ 12.2.1.4.0fstec_bduRU
Oracle Corp. Oracle Coherence≤ 12.1.3.0.0fstec_bduRU
Oracle Corp. Oracle Coherence≤ 3.7.1.17fstec_bduRU
Oracle Corp. Oracle Retail Assortment Planning≤ 16.0fstec_bduRU
Oracle Corp. Oracle Retail Assortment Planning≤ 15.0fstec_bduRU
Oracle Corp. Rapid Planning≤ 12.1fstec_bduRU
Oracle Corp. Rapid Planning≤ 12.2fstec_bduRU
Oracle Corp. WebCenter Portal≤ 12.2.1.4.0fstec_bduRU
Oracle Corp. WebCenter Portal≤ 12.2.1.3.0fstec_bduRU

showing 20 of 42

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2946Oracle Fusion Middleware: Mehrere SchwachstellenDeutsch2020-01-14csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in Oracle Fusion Middleware ausnutzen, um die Verfügbarkeit, Vertraulichkeit und Integrität zu gefährden.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2020-01-15modified 2026-06-17

related (3,744)

Related entries.

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+3739 more

references (37)

External citations — patches, advisories, analysis.

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