CVE-2020-14644 (GCVE-0-2020-14644)
Vulnerability from cvelistv5 – Published: 2020-07-15 17:34 – Updated: 2026-01-12 21:03Summary
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 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 WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. 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).
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-18 18:29 UTC
CWE
- 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.
- CWE-noinfo Not enough information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cpujul2020.html | x_refsource_MISC |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
4 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Oracle Corporation | WebLogic Server |
Affected:
12.2.1.3.0
Affected: 12.2.1.4.0 Affected: 14.1.1.0.0 |
guessed | |
| oracle | weblogic_server |
Affected:
12.2.1.3.0
cpe:2.3:a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:* |
||
| oracle | weblogic_server |
Affected:
12.2.1.4.0
cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:* |
||
| oracle | weblogic_server |
Affected:
14.1.1.0.0
cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:* |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: a87d0113-9c53-48cd-9e90-4373c1364376
Exploited: Yes
Timestamps
First Seen: 2024-09-18
Asserted: 2024-09-18
Scope
Notes: KEV entry: Oracle WebLogic Server Remote Code Execution Vulnerability | Affected: Oracle / WebLogic Server | Description: Oracle WebLogic Server, a product within the Fusion Middleware suite, contains a deserialization vulnerability. Unauthenticated attackers with network access via T3 or IIOP can exploit this vulnerability to achieve remote code execution. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-10-09 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.oracle.com/security-alerts/cpujul2020.html ; https://nvd.nist.gov/vuln/detail/CVE-2020-14644
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | WebLogic Server |
| Due Date | 2024-10-09 |
| Date Added | 2024-09-18 |
| Vendorproject | Oracle |
| Vulnerabilityname | Oracle WebLogic Server Remote Code Execution Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 12:26 UTC
| Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 2d7d718a-d428-4bae-be75-ac740b70c618
Exploited: Yes
Timestamps
First Seen: 2024-09-18
Asserted: 2024-09-18
Scope
Notes: KEVIntel entry: Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are... | Affected: Oracle Corporation / WebLogic Server | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are... |
| Vendor | Oracle Corporation |
| Product | WebLogic Server |
| Added Date | 2024-09-18T00:00:00.000Z |
| Cvss Score | 9.8 |
| Epss Score | None |
| Cvss Severity | CRITICAL |
| Epss Percentile | None |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 14:05 UTC
| Updated: 2026-07-10 06:14 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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