+44 1865 950 828 Secure Your Business
Actively exploitedKnown ransomware use

CVE-2017-10271 Oracle Corporation WebLogic Server Remote Code Execution Vulnerability

Oracle Corporation WebLogic Server contains a vulnerability that allows for remote code execution.

From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.

Our Assessment

Should You Worry?

Patch nowCybergen assessment
  • CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 10 Feb 2022.
  • CISA lists it as known to be used in ransomware campaigns.
  • Rated High severity (CVSS 7.5, scored by CISA).
  • This product type is often exposed to the internet, which is where attackers scan for it first.
  • It has been in the catalogue for 1,730 days. Systems still unpatched now have almost certainly been scanned for it.
The Vulnerability

What It Is

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 Versions

ProductVersions
Oracle Corporation WebLogic Server10.3.6.0.0
12.1.3.0.0
12.2.1.1.0
12.2.1.2.0

From the public CVE record, as supplied by the vendor. Always confirm against the vendor advisory.

From Watch to Action

What To Do Now

  1. 1

    Find it

    Search your asset inventory and external attack surface for Oracle WebLogic Server. Include cloud images, appliances and anything a supplier runs for you.

    Attack Surface Management
  2. 2

    Fix it

    Apply updates per vendor instructions.

    Vulnerability Management
  3. 3

    Hunt for compromise

    If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.

    Incident Response
  4. 4

    Prove it is fixed

    Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.

    Penetration Testing

Vendor Advisories

Regulation

The Compliance Clock

Cyber EssentialsRated high, so if it affects devices in your Cyber Essentials scope, the update must be installed within 14 days of the vendor releasing it.NIS2If exploitation causes a significant incident, essential and important entities owe their CSIRT an early warning within 24 hours and a notification within 72 hours.DORAFinancial entities must classify ICT incidents and send an initial notification for a major incident within strict deadlines, with exploited flaws a common cause.US federal (BOD 22-01)Federal civilian agencies had until 10 Aug 2022 to remediate. A sensible benchmark for everyone else.

General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.

Stay Ahead

More Exploited Oracle Flaws

Get alerts for OracleWe email you when a new Oracle vulnerability is confirmed as exploited. Add more vendors on Threat Watch.

By signing up you agree to receive Threat Watch alerts. Unsubscribe at any time. See our Privacy Policy.

CVE-2026-21962Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control VulnerabilityAdded 24 Aug 2026CVE-2026-46817Oracle E-Business Suite Improper Privilege Management VulnerabilityAdded 15 Jul 2026CVE-2026-35273 · RansomwareOracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function VulnerabilityAdded 12 Jun 2026CVE-2024-21182Oracle WebLogic Server Unspecified VulnerabilityAdded 1 Jun 2026CVE-2025-61757Oracle Fusion Middleware Missing Authentication for Critical Function VulnerabilityAdded 21 Nov 2025CVE-2025-61884 · RansomwareOracle E-Business Suite Server-Side Request Forgery (SSRF) VulnerabilityAdded 20 Oct 2025

All 46 exploited Oracle vulnerabilities

Not Sure If You Are Exposed?

Our attack surface and vulnerability teams can check your internet-facing estate for CVE-2017-10271 and every other exploited flaw on the list.

Check My Exposure
Evidence

Sources

  1. CISA Known Exploited Vulnerabilities catalogue
  2. NVD: CVE-2017-10271
  3. CVE record: CVE-2017-10271
  4. FIRST EPSS
  5. exploit-db.com/exploits/43458/
  6. securitytracker.com/id/1039608
  7. securityfocus.com/bid/101304
  8. github.com/c0mmand3rOpSec/CVE-2017-10271
  9. oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
  10. exploit-db.com/exploits/43924/