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Public proof of conceptFix available

CVE-2020-14756

A public proof of concept exists; no exploitation attested.

  • Published2021-01-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core Components). Supported versions that are affected are 3.7.1.0, 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 unauthenticated attacker with network access via IIOP, T3 to compromise Oracle Coherence. Successful attacks of this vulnerability can result in takeover of Oracle Coherence. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Timeline

dates in UTC
  1. 2021-01-2015:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-14756?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-14756?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Oracle utilities framework
BranchAffectedFixed in
4.3≥ 4.3.0.1.0, ≤ 4.3.0.6.0no fix published
4.2= 4.2.0.2.0no fix published
4.2= 4.2.0.3.0no fix published
4.4= 4.4.0.0.0no fix published
4.4= 4.4.0.2.0no fix published
4.4= 4.4.0.3.0no fix published
Oracle coherence
BranchAffectedFixed in
3.7= 3.7.1.0no fix published
12.1= 12.1.3.0.0no fix published
12.2= 12.2.1.3.0no fix published
12.2= 12.2.1.4.0no fix published
14.1= 14.1.1.0.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As oracle, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Oracle Corporation Utilities Framework
    Affected
    • = 4.2.0.2.0no fix stated
    • = 4.2.0.3.0no fix stated
    • = 4.3.0.1.0-4.3.0.6.0no fix stated
    • = 4.4.0.0.0no fix stated
    • = 4.4.0.2.0no fix stated
    • = 4.4.0.3.0no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-01-19

Fix

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
2 repositories, unverifiedY4er/CVE-2020-14756somatrasss/weblogic2021
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-01-20
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-p7pp-gqpg-99cg

Frequently asked questions

What is CVE-2020-14756?

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core Components). Supported versions that are affected are 3.7.1.0, 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 unauthenticated attacker with network access via IIOP, T3 to compromise Oracle Coherence. Successful attacks of this vulnerability can result in takeover of Oracle Coherence. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Is CVE-2020-14756 actively exploited?

Active exploitation of CVE-2020-14756 has not been confirmed. Its EPSS score was 74.8% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-14756?

CVE-2020-14756 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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