---
id: "CVE-2017-10271"
kind: "vulnerability"
aliases: ["CVE-2017-10271"]
title: "Oracle WebLogic Server: Oracle Corporation WebLogic Server Remote Code Execution Vulnerability"
severity: "critical"
cvss: 7.5
epss: 0.99994
exploited: true
status: "open"
category: "package"
products: [{"name": "Oracle WebLogic Server", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "java", "oracle-weblogic", "package", "ransomware", "self-hosted"]
not_affected_if: ["default-config", "managed-hosting"]
published_at: "2017-10-19T17:29:01+00:00"
first_seen_at: "2026-10-23T19:11:53+00:00"
updated_at: "2026-10-23T21:57:35+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2017-10271", "first_seen_at": "2026-10-23T19:11:53+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2017-10271", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-10271", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# Oracle WebLogic Server: Oracle Corporation WebLogic Server Remote Code Execution Vulnerability

Oracle WebLogic Server contains a flaw in its WLS Security Component that allows remote code execution over the network. An unauthenticated attacker can run commands on the server by sending crafted requests, and the sources say it is being exploited in the wild and used in ransomware campaigns.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Oracle WebLogic Server affected ? fixed ?

## Fix

Apply the Oracle Critical Patch Update fix for CVE-2017-10271 per vendor instructions (CISA KEV required action); exact patched version: unknown

## Timeline

- 2026-10-23T19:11:53+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2017-10271
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2017-10271
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2017-10271

## From the sources

Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Security). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.1.0 and 12.2.1.2.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_