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Vulnerabilities

Vulnerability · CVE-2018-2628

Oracle WebLogic Server Unspecified Vulnerability

Published Apr 18, 2018 · catalog updated Jun 16, 2026 · Oracle WebLogic Server

Patch now

CVE-2018-2628 is in the CISA known-exploited catalog, due Sep 29, 2022. Confirm Oracle WebLogic Server against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
99.96%
Remediation
Remediation guidance
Affected products
cpe oracle/weblogic server · vendor Oracle WebLogic Server

Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Core Components). Supported versions that are affected are 10.3.6.0, 12.1.3.0, 12.2.1.2 and 12.2.1.3. 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 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe oracle/weblogic server10.3.6.0.0
  • cpe oracle/weblogic server12.1.3.0.0
  • cpe oracle/weblogic server12.2.1.2.0
  • cpe oracle/weblogic server12.2.1.3
  • vendor Oracle WebLogic Serverversion unspecified

How to fix CVE-2018-2628

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2018-2628 is in the CISA known-exploited catalog, due Sep 29, 2022. Confirm Oracle WebLogic Server against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with oracle/weblogic server 10.3.6.0.0; oracle/weblogic server 12.1.3.0.0; oracle/weblogic server 12.2.1.2.0; oracle/weblogic server 12.2.1.3. Apply updates per vendor instructions.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS 99.96%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 18, 2018 · Catalog

    Detected

    Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Core Components). Supported versions that are affected are 10.3.6.0, 12.1.3.0, 12.2.1.2 and 12.2.1.3. 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

  2. Sep 8, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Sep 29, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Core Components). Supported versions that are affected are 10.3.6.0, 12.1.3.0, 12.2.1.2 and 12.2.1.3. 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

Sources

  • CISA KEVConfirmed exploitationCVE-2018-2628

    Oracle WebLogic Server contains an unspecified vulnerability which can allow an unauthenticated attacker with T3 network access to compromise the server.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2018-2628

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2018-2628

    30-day exploitation probability 100.0%

    first.org
  • Exploit DatabasePublic exploit reference44553

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit DatabasePublic exploit reference45193

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit DatabasePublic exploit reference46513

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_multi/misc/weblogic_deserialize

    Public module reference (manual). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2018-2628

    Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Core Components). Supported versions that are affected are 10.3.6.0, 12.1.3.0, 12.2.1.2 and 12.2.1.3. Easily exploitable vulnerability allows unauthenticated attacker with network

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2018-2628

    Oracle WebLogic Server contains an unspecified vulnerability which can allow an unauthenticated attacker with T3 network access to compromise the server.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.