ExploitedIn CISA KEVFix available

CVE-2017-10271

Exploitation confirmed. First attested on 2022-02-10 by CISA-ADP, CISA KEV, GCVE · enisa-cnw-kev, GCVE · kevintel, GCVE · shadowserver.

Published2017-10-19
WeaknessCWE-306

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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).

Timeline

dates in UTC

2017-10-1917:29CVE publishedNVD
2022-02-10Listed as exploited by GCVEGCVE
2022-02-10Exploitation first reportedCISA KEV
2022-02-10Added to the CISA KEV catalogCISA KEV
2024-10-0414:19SSVC exploitation set to activeCISA-ADP
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-10271?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-10271?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Oracle weblogic server

Branch	Affected	Fixed in	Source
10.3	= 10.3.6.0.0	no fix published	NVD
12.1	= 12.1.3.0.0	no fix published	NVD
12.2	= 12.2.1.1.0	no fix published	NVD
12.2	= 12.2.1.2.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

CISA’s required action: Apply updates per vendor instructions.due 2022-08-10

Advisories and patches

www.oracle.comPatch · Vendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 20 repositories, unverified1337g/CVE-2017-10271s3xy/CVE-2017-10271ZH3FENG/PoCs-Weblogic_2017_10271c0mmand3rOpSec/CVE-2017-10271Luffin/CVE-2017-10271

CISA Known Exploited Vulnerability

Date Added: 2022-02-10
Patch Due Date: 2022-08-10
Ransomware Use: Known
Required Action: Apply updates per vendor instructions.

Sources

CISA KEVKEV entry2022-02-10
GCVEexploitation2022-02-10
CISA-ADPSSVC decisionactive2024-10-04
OpenCVESSVC decisionactive—
CISA-ADPCVSS 3.17.52024-10-04
NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
CISA-ADPweakness (CWE)CWE-3062024-10-04
FIRST EPSSEPSS score99.9 %read 2026-10-23
PoC-in-GitHubproof of concept20read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2017-10-19
Last Modified: 2026-08-13
NVD status: Analyzed

Frequently asked questions

What is CVE-2017-10271?

Is CVE-2017-10271 actively exploited?

Yes. CVE-2017-10271 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-08-10.

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

CVE-2017-10271 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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