Skip to main content
ExploitedNot in CISA KEV yet

CVE-2021-2109

Exploitation confirmed. First attested on 2026-08-15 by GCVE · kevintel, GCVE · shadowserver.

  • Published2021-01-20

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 product of Oracle Fusion Middleware (component: Console). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

Timeline

dates in UTC
  1. 2021-01-2015:15CVE publishedNVD
  2. 2021-01-22Exploit-DB entryExploit-DB
  3. 2026-08-15Listed as exploited by GCVEGCVE
  4. 2026-08-15Exploitation first reportedGCVE

Versions per branch

NVD
Oracle weblogic server
BranchAffectedFixed in
10.3= 10.3.6.0.0no fix published
12.1= 12.1.3.0.0no fix published
12.2= 12.2.1.3.0no fix published
12.2= 12.2.1.4.0no fix published
14.1= 14.1.1.0.0no fix published

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

Products declared by the CNA1 product

As oracle, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Oracle Corporation WebLogic Server
    Affected
    • = 10.3.6.0.0no fix stated
    • = 12.1.3.0.0no fix stated
    • = 12.2.1.3.0no fix stated
    • = 12.2.1.4.0no fix stated
    • = 14.1.1.0.0no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2021-01-22

Fix

Advisories and patches

Detection

read 2026-11-01 01:02 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-49461
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2021-01-20
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-wx9h-q254-5w45

Frequently asked questions

What is CVE-2021-2109?

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Console). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

Is CVE-2021-2109 actively exploited?

Active exploitation of CVE-2021-2109 has not been confirmed. Its EPSS score was 71.1% on 2026-11-04, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-2109?

CVE-2021-2109 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record