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CISA KEV · ACTIVELY EXPLOITED
HIGH severity

CVE-2017-10271 — Weblogic Server

HIGH

CVE-2017-10271 is a high-severity (CVSS 7.5) Missing Authentication vulnerability in oracle weblogic server. It is in CISA's Known Exploited Vulnerabilities catalog (added 2022-02-10) and has been used in ransomware campaigns — treat it as actively exploited and patch now. No vendor fix is recorded yet; mitigation options are listed below.

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…

Published
Updated
Affected
1 product
Patched
See advisory
Exploits
47 known
Exploitation data as of Oct 22, 2026 · OSV.dev, NVD, CISA KEV, FIRST.org (EPSS)

Exploitation Status

Actively exploited in the wild

  • Confirmed by CISA's Known Exploited Vulnerabilities catalog on 2022-02-10 — including use in ransomware campaigns. Federal agencies were required to remediate by 2022-08-10.
  • CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.

Exploitation and automatability from CISA (KEV catalog and SSVC triage) for CVE-2017-10271.

EPSS Exploitation Probability

via FIRST.org ↗
100.0%probability of exploitation in next 30 days
Very High Risk+0.00%
Lower risk than most CVEs100th percentile — riskier than 100% of all scored CVEsHighest risk
92.8%95.2%97.6%100.0%94.4%100.0%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2017-10271 by exploitation likelihood (EPSS) against impact (CVSS). In the shaded patch-first corner (EPSS 50%+, CVSS 7.0+).

Where this sits among everything scored

Of 394,803 CVEs with a current EPSS score, this one falls in the ≥ 90% band (highlighted). Counts from FIRST.org, log-scaled.

Description

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).

Affected Products

1 product · 4 configurations
Application
weblogic serveroracle
4 versions
10.3.6.0.012.1.3.0.012.2.1.1.012.2.1.2.0
Exploits & PoCs
47

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-43392remotemultiple

Oracle WebLogic Server 10.3.6.0.0 / 12.x - Remote Command Execution

by 1337g · Dec 26, 2017

Exploit-DB Source
EDB-43458remotemultiple✓ Verified

Oracle WebLogic < 10.3.6 - 'wls-wsat' Component Deserialisation Remote Command Execution

by Kevin Kirsche · Jan 3, 2018

Exploit-DB Source
EDB-43924remotemultiple✓ Verified

Oracle WebLogic - wls-wsat Component Deserialization Remote Code Execution (Metasploit)

by Metasploit · Jan 29, 2018

Exploit-DB Source

Detection & mitigation playbook

Vendor / appliance

  1. Detect

    Inventory every oracle weblogic server deployment and check each version against the affected-products list above.

  2. Remediation status

    No patch has shipped for CVE-2017-10271 yet — track the oracle weblogic server advisory for a fixed release and apply the workarounds below in the meantime.

  3. Mitigate without a patch

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

How to detect CVE-2017-10271

A community-maintained Nuclei template exists for this CVE. You can scan for it directly:

nuclei -id cve-2017-10271 -u https://target
Template
Oracle WebLogic Server - Remote Command Execution
Severity
high
Impact
Successful exploitation of this vulnerability allows remote attackers to execute arbitrary commands with the privileges of the WebLogic server.
Remediation
Apply the latest security patches provided by Oracle to fix this vulnerability. Additionally, restrict network access to the WebLogic server and implement strong authentication mechanisms.

Template by ProjectDiscovery nuclei-templates (dr_set, ImNightmaree, true13), MIT licensed. View the full template. Scan only systems you are authorised to test.

Frequently Asked Questions

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).
O3 Security · Runtime Protection

Is CVE-2017-10271 being exploited in your environment?

Detect and block the exploit chain at execution, on systems you cannot patch yet.

Protect my workloads How runtime protection works
CVE-2017-10271: Missing Authentication (KEV)