9.8

CVE-2018-2628: Oracle WebLogic Server Unspecified Vulnerability

CVSS: 9.8v3.1CriticalKEVAnalyzed
Published 19-04-2018Last modified 21-10-2025
Open JSON

Vulnerability summary

CVE-2018-2628 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in Oracle WebLogic Server. It is known to be exploited: CISA lists it, first on 08-09-2022. EPSS estimates a 99.96% chance of exploitation in the next 30 days, higher than 99.9% of scored vulnerabilities. 4 public exploits are recorded.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
99.96%
0%100%
Critical · +0.51 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits4exploit-database, metasploit

Timeline

  1. 19-04-2018
    PublishedVulnerability first disclosed.
  2. 08-09-2022
    Added to CISA KEVOracle WebLogic Server Unspecified Vulnerability
  3. 29-09-2022
    CISA remediation dueApply updates per vendor instructions.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

Description

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).

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

99.96%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

+0.51 pp

From 99.45% on 18-09-2026

18-09-202618-10-2026
EPSS score
99.96%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
08-09-2022
Federal due date
29-09-2022

CISA required action

Apply updates per vendor instructions. www.oracle.com/security-alerts/cpuapr2018.html nvd.nist.gov/vuln/detail/CVE-2018-2628

Public exploits

4 found
  • exploit-databaseremotemultipleUnverified

    Oracle Weblogic Server - Deserialization Remote Command Execution (Patch Bypass)

    Maturity: poc

  • exploit-databaseremotemultipleVerified

    Oracle Weblogic Server 10.3.6.0 / 12.1.3.0 / 12.2.1.2 / 12.2.1.3 - Deserialization Remote Command Execution

    Maturity: weaponized

  • exploit-databaseremotewindowsVerified

    Oracle Weblogic Server - Deserialization Remote Code Execution (Metasploit)

    Maturity: weaponized

Show all 4 exploits
  • MetasploitMetasploitremoteUnverified

    Oracle Weblogic Server Deserialization RCE

    exploit/multi/misc/weblogic_deserialize

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Oracle1 product
Oracle corporation1 product

2 vendors · 2 products

References

8 links