CVE-2020-2883

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.946 · 100 %ileexploit · functionalEURUUS
grimoire priorityP0 · Act now
Exploitable?
Yes · in the wild
CISA KEV · 8 exploits · functional
Likely / severe?
94.6% (100th) EPSS
CVSS 7.5 · high
Is it mine?
14 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

added 2025-01-07remediate by 2025-01-28

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

EPSS · scored 2026-10-27

Oracle WebLogic Server Unspecified Vulnerability

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). 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, T3 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).

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedService Suitecisa_csaf_ot

    Update to version 9.8.2 or latest - Hitachi Energy recommends that customers apply the update at the earliest convenience - While reviewing the recommended immediate actions, assess the risk exposure of affected products within the operational environment and update or upgrade if necessary

  • MitigationService Suitecisa_csaf_ot

    Apply general Mitigation Factors

02

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:Hsecondary · CISA US
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)
03

ssvc

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

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264USCWE-502US
05

exploits (8)

Public proof-of-concept and weaponised exploit code.

06

affected products (14)

Products and version ranges known to be affected.

07

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-25-261-05Remote Code Execution Vulnerability in Hitachi Energy Service Suite Product2025-08-26icsa · cisa_csaf_otUS

    Hitachi Energy is aware of a remote code execution vulnerability that affects the Oracle WebLogic component in the Service Suite product versions listed in this document. An attacker successfully exploiting these vulnerabilities can cause confidentiality, integrity and availability impacts. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation.

08

also known as (4)

Other names and identifiers for this entity.

09

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisa_csaf_otnvdNVDCVE.orgMITRE
published 2020-04-15modified 2026-06-17
10

references (17)

External citations — patches, advisories, analysis.

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