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CVE-2017-10271 CISA KEV — actively exploited Ransomware-linked

Oracle Corporation WebLogic Server Remote Code Execution Vulnerability

Oracle Corporation — WebLogic Server

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).

CVSS scoreHigh

7.5

EPSS — exploitation probabilityCritical

100.0%

Vector breakdown

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Published
Oct 19, 2017
Modified
Aug 13, 2026
Added to KEV
Feb 10, 2022
Federal patch due
Aug 10, 2022

CISA required action

Apply updates per vendor instructions.

Weakness classification

CWE-306Missing Authentication for Critical Function

Affected packages

unknown packageunknown
GHSA-h7p4-68h5-84f3

Proof-of-concept & exploitation references

8 found

Weaponization

Nuclei template

Available

Metasploit module

Not found

Public repositories whose name or description references CVE-2017-10271, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit — cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.

References

Frequently asked questions

What is CVE-2017-10271?

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).

How severe is CVE-2017-10271?

CVE-2017-10271 has a CVSS base score of 7.5 out of 10 (CVSS 3.1).

Is CVE-2017-10271 actively exploited in the wild?

Yes. CVE-2017-10271 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Feb 10, 2022, meaning CISA has confirmed evidence of active exploitation. It is also flagged as used in ransomware campaigns.

What is the EPSS score for CVE-2017-10271?

100.0% - meaning FIRST.org's EPSS model estimates a 100.0% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).

Is there exploit tooling available for CVE-2017-10271?

Yes - a public Nuclei template referencing CVE-2017-10271 exist in public repositories we checked. We also found 8 public GitHub repositories referencing this CVE.

What type of vulnerability is CVE-2017-10271?

CVE-2017-10271 is classified under CWE-306 (CWE-306 Missing Authentication for Critical Function).

Cross-checked against

Impactr finds and proves whether CVE-2017-10271 — or flaws like it — are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.

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