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VulnerabilityCVE-2017-10271Published 2017-10-19

CVE-2017-10271 — Oracle Weblogic Server

highCISA KEVRansomware

As of 2025-10-22, CVE-2017-10271 is a HIGH-severity vulnerability in Oracle Weblogic Server, CVSS v3.1 7.5, EPSS 94.4% (99.9th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-10), with a US federal remediation deadline of 2022-08-10, and CISA links it to known ransomware campaigns. No Threadlinqs-tracked threat campaign has been attributed to CVE-2017-10271 as of 2025-10-22; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

CVSS v3.1
7.5/10High
EPSS
94.4%Higher than 99.9% of scored CVEs
CISA KEV
ListedAdded · due 2022-08-10
Tracked threats
0None linked yet
Priority
10/10Threadlinqs triage score
Published
Updated 2025-10-22
CVSS v3.1 7.5 (HIGH) · EPSS 94.4% (higher than 99.9% of all scored CVEs) · Priority 10/10 · Published 2017-10-19

Last updated:

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).

The record classifies CVE-2017-10271 under weakness classes NVD-CWE-noinfo, CWE-306. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on availability. 4 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 3273 days ago.

Severity and exploitation probability

CVSS v3.1 base score
7.5 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (FIRST)
94.4% probability of exploitation in the next 30 days, higher than 99.9% of all scored CVEs
CISA KEV
Listed since 2022-02-10, federal remediation deadline 2022-08-10 — used in known ransomware campaigns
Threadlinqs priority
10/10 — CISA lists it as used in ransomware, which Threadlinqs scores at the maximum
Published
2017-10-19, last modified 2025-10-22

Is CVE-2017-10271 being exploited?

CISA added CVE-2017-10271 to the Known Exploited Vulnerabilities catalog on 2022-02-10, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2022-08-10 under BOD 22-01. CISA flags the vulnerability as one used in known ransomware campaigns. It currently carries a trending score of 40 in the Threadlinqs vulnerability feed.

Affected products and versions

  • Oracle: Weblogic Server 10.3.6.0.0, Weblogic Server 12.1.3.0.0, Weblogic Server 12.2.1.1.0, Weblogic Server 12.2.1.2.0

How to fix CVE-2017-10271

Vendor advisory: http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html. Because CVE-2017-10271 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2022-08-10. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2017-10271

No threat campaign in the Threadlinqs corpus currently references CVE-2017-10271, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

Sources

Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.