# CVE-2020-14644: Oracle WebLogic Server Remote Code Execution Vulnerability

Source: https://junglewise.ai/threats/cve-2020-14644-oracle-weblogic-server-remote-code-execution-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-09-18. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2020-14644 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2024-09-18

Oracle WebLogic Server contains a deserialization vulnerability in its Core component. Unauthenticated attackers can exploit this via the T3 or IIOP protocols to achieve full remote code execution and take over the server.

Technologies: [Oracle WebLogic Server](https://junglewise.ai/threats/technologies/weblogic-server). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2020-14644 exploited in the wild?** Yes. CVE-2020-14644 is known to be exploited in the wild, first recorded on 18 September 2024. Treat it as urgent.

**How severe is CVE-2020-14644?** Critical severity, with a CVSS score of 9.8, published 18 September 2024.

**Which products and versions are affected?** Oracle WebLogic Server 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0.

**Is there a fix for CVE-2020-14644?** 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-2020-14644 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2020-14644?** Check whether you run Oracle WebLogic Server. 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 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0

## Timeline

- 2020-07-15: disclosed: NVD Published Date
- 2020-07-15: advisory: Oracle Critical Patch Update Advisory - July 2020
- 2024-09-18: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2024-09-18: exploited: Confirmed exploitation in the wild per CISA KEV entry

## Related threats

- [Oracle WebLogic Server data modification and DoS in Core](https://junglewise.ai/threats/cve-2026-91502-vulnerability-in-the-oracle-weblogic-server-product-of-oracle)
- [Oracle WebLogic Server remote code execution in Core](https://junglewise.ai/threats/cve-2026-91323-vulnerability-in-the-oracle-weblogic-server-product-of-oracle)
- [Oracle WebLogic Server unauthorized data access in Core](https://junglewise.ai/threats/cve-2026-87302-vulnerability-in-the-oracle-weblogic-server-product-of-oracle)
- [Oracle WebLogic Server remote code execution in Core](https://junglewise.ai/threats/cve-2026-83399-vulnerability-in-the-oracle-weblogic-server-product-of-oracle)
- [Oracle WebLogic Server information disclosure in third-party jars](https://junglewise.ai/threats/cve-2026-101515-vulnerability-in-the-oracle-weblogic-server-product-of-oracle)