CVE-2020-2551

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.928 · 100 %ileexploit · PoCDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 8 exploits · PoC

Likely / severe?

92.8% (100th) EPSS

CVSS 7.5 · high

Is it mine?

14 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2023-11-16remediate by 2023-12-07

required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS · scored 2026-10-26

Oracle Fusion Middleware Unspecified Vulnerability

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). Supported versions that are affected are 10.3.6.0.0, 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 IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. 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-264US

exploits (8)

Public proof-of-concept and weaponised exploit code.

affected products (14)

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 WebLogic Server≤ 10.3.6.0.0enisa_euvdEU
Oracle Corporation WebLogic Server≤ 12.2.1.3.0enisa_euvdEU
Oracle Corporation WebLogic Server≤ 12.1.3.0.0enisa_euvdEU
Oracle Corporation WebLogic Server≤ 12.2.1.4.0enisa_euvdEU
Oracle Corp. WebLogic Server≤ 12.2.1.4.0fstec_bduRU
Oracle Corp. WebLogic Server≤ 12.2.1.3.0fstec_bduRU
Oracle Corp. WebLogic Server≤ 12.1.3.0.0fstec_bduRU
Oracle Corp. WebLogic Server≤ 10.3.6.0.0fstec_bduRU
oracle weblogic server= 10.3.6.0.0nvdUScpe:2.3:a:oracle:weblogic_server:*:*:*:*:*:*:*:*
oracle weblogic server= 12.1.3.0.0nvdUScpe:2.3:a:oracle:weblogic_server:*:*:*:*:*:*:*:*
oracle weblogic server= 12.2.1.3.0nvdUScpe:2.3:a:oracle:weblogic_server:*:*:*:*:*:*:*:*
oracle weblogic server= 12.2.1.4.0nvdUScpe:2.3:a:oracle:weblogic_server:*:*:*:*:*:*:*:*

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 NVD CVE.org MITRE

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

references (7)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

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