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Fencer Vulns
critical 9.8

CVE-2018-2628 kev in the critical feed json

Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Core Components).

published 2018-04-19 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-14483

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2022-09-08
epss
100.0%
EPSS 100.0% chance of exploitation in 30 days, percentile 99.9%
public exploits
4
Metasploit, Exploit-DB, plus a Nuclei check

Summary

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).

Patch / fix

cisa required action Apply updates per vendor instructions.

Timeline

  1. First public exploit (Metasploit exploit/multi/misc/weblogic_deserialize)
  2. Published
  3. Added to CISA KEV
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
4 y ago
Patch by
2022-09-29 (4 y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions.
Vendor, product
Oracle, WebLogic Server
CISA name
Oracle WebLogic Server Unspecified Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

99.96% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/multi/misc/weblogic_deserialize Oracle Weblogic Server Deserialization RCE metasploit exploit, manual rank, 2018-04-17
  • EDB-46513 Oracle Weblogic Server - Deserialization Remote Command Execution (Patch Bypass) remote, 2018-10-25
  • EDB-45193 Oracle Weblogic Server - Deserialization Remote Code Execution (Metasploit) remote, 2018-08-13
  • EDB-44553 Oracle Weblogic Server 10.3.6.0 / 12.1.3.0 / 12.2.1.2 / 12.2.1.3 - Deserialization Remote Command Execution remote, 2018-04-22
  • Nuclei template Oracle WebLogic Server Deserialization - Remote Code Execution nuclei detection template

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Oracle Corporation WebLogic Server

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.