Security Vulnerability CVE-2020-2883 - Complete Analysis and Details
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CVE-2020-2883

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This is a free service offered by Red Hot Cyber to the community. It allows you to view, on a single page, information about a single CVE from the National Vulnerability Database (NVD) and the National Institute of Standards and Technology (NIST) of the United States of America, the Forum of Incident Response and Security Teams (FIRST) regarding the EPSS score and percentile, data from the KEV catalog of the Cybersecurity and Infrastructure Security Agency (CISA), as well as selected resources from Red Hot Cyber and other international sources.

National Vulnerability Database Information

Description: 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).

CVSS Base Score: 9.8 (v3.1)

The **CVSS Base Score** is a score from **0 to 10** that represents the intrinsic severity of a vulnerability. A higher score indicates greater severity.

Value
0.02.55.07.510.0
Published on: 04/15/2020 14:15:33
Last modified: 10/27/2025 17:08:56
NIST: CVE source from the National Vulnerability Database (NVD)

CVSS Metrics Details

  • Base Severity: CRITICAL
  • Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • User Interaction: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH

Common Weakness Enumeration (CWE)

Database CWE: v4.18

Fonte: MITRE CWE


FIRST Information

EPSS Score: 0.9438

The **EPSS (Exploit Prediction Scoring System)** is a score from **0 to 1** that indicates the **probability** that a vulnerability will be exploited in the real world in the next 30 days. A higher value indicates a greater likelihood of exploitation.

Value
0.00.250.50.751.0

Percentile: 0.9996

The **Percentile** indicates how much higher this vulnerability's EPSS score is compared to all other vulnerabilities in the EPSS database. For example, a percentile of 0.90 (90%) means that 90% of vulnerabilities have an EPSS score equal to or lower than the current one.

Value
0.00.250.50.751.0

*Data updated as of: 2025-12-11


CISA Information (Known Exploited Vulnerabilities)

The **CISA KEV Catalog** lists vulnerabilities that have been **actively exploited in the real world**. If a CVE is present in this catalog, it indicates that the threat is immediate and mitigation should be a top priority.

CVE **CVE-2020-2883** **IS PRESENT** in the CISA KEV Catalog!

  • Vulnerability Name: Oracle WebLogic Server Unspecified Vulnerability
  • Short Description: Oracle WebLogic Server, a product within the Fusion Middleware suite, contains an unspecified vulnerability exploitable by an unauthenticated attacker with network access via IIOP or T3.
  • Date Added to KEV: 01/07/2025
  • Vendor/Product: Oracle / WebLogic Server
  • Required Action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  • Due Date: 01/28/2025

Articles published on Red Hot Cyber


NVD References

Exploit PoC from GitHub

  • zhzyker/exphub: Exphub[漏洞利用脚本库] 包括Webloigc、Struts2、Tomcat、Nexus、Solr、Jboss、Drupal的漏洞利用脚本，最新添加CVE-2020-14882、CVE-2020-11444、CVE-2020-10204、CVE-2020-10199、CVE-2020-1938、CVE-2020-2551、CVE-2020-2555、CVE-2020-2883、CVE-2019-17558、CVE-2019-6340
  • Y4er/CVE-2020-2883: Weblogic coherence.jar RCE
  • zzwlpx/weblogicPoc: Weblogic Vuln POC EXP cve-2020-2551 cve-2020-2555 cve-2020-2883 ，。。。
  • hktalent/CVE_2020_2546: CVE-2020-2546，CVE-2020-2915 CVE-2020-2801 CVE-2020-2798 CVE-2020-2883 CVE-2020-2884 CVE-2020-2950 WebLogic T3 payload exploit poc python3,
  • Y4er/WebLogic-Shiro-shell: WebLogic利用CVE-2020-2883打Shiro rememberMe反序列化漏洞，一键注册蚁剑filter内存shell