# CVE-2020-2551: Oracle Fusion Middleware Unspecified Vulnerability

Source: https://junglewise.ai/threats/cve-2020-2551-oracle-fusion-middleware-unspecified-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-11-16. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2020-2551 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2023-11-16

An unspecified vulnerability in the WLS Core Components of Oracle WebLogic Server allows unauthenticated attackers to gain full control of the server via the IIOP protocol. Successful exploitation can result in a complete takeover of the affected Oracle Fusion Middleware instance.

Technologies: [Oracle Fusion Middleware](https://junglewise.ai/threats/technologies/fusion-middleware). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2020-2551 exploited in the wild?** Yes. CVE-2020-2551 is known to be exploited in the wild, first recorded on 16 November 2023. Treat it as urgent.

**How severe is CVE-2020-2551?** Critical severity, with a CVSS score of 9.8, published 16 November 2023.

**Which products and versions are affected?** Oracle WebLogic Server 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0.

**Is there a fix for CVE-2020-2551?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2020-2551 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2020-2551?** Check whether you run Oracle Fusion Middleware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Oracle WebLogic Server 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0

## Timeline

- 2020-01-15: disclosed: NVD Published Date
- 2020-01-15: advisory: Oracle Critical Patch Update Advisory - January 2020
- 2023-11-16: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

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