CVE-2018-2628criticalunder attackCWE-502

CVE-2018-2628: critical vulnerability in Oracle Corporation WebLogic Server

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100Vexday Risk Score

Patch now. It under exploitation confirmed by CISA and has a working public exploit.

ssvc Actcvss 9.8epss 100%
from disclosure to weaponsame day
Published on NVDApr 19
1st PoCApr 18
metasploitApr 17
CISA KEV+1603d
Action required by CISAfederal deadline: 2022-09-29

Apply updates per vendor instructions.

In short

A critical flaw in Oracle WebLogic Server allows attackers to completely take over the server without needing to log in. The vulnerability exists in how the server handles certain network communications, making it extremely dangerous and easy to exploit.

Technical detail

Unsafe deserialization vulnerability (CWE-502) in WebLogic T3 protocol handling allows unauthenticated remote code execution with network access. Affected versions 10.3.6.0, 12.1.3.0, 12.2.1.2, and 12.2.1.3 lack input validation on serialized objects, enabling attackers to craft malicious payloads that achieve complete system compromise without authentication or user interaction.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Oracle Corporation · WebLogic Server
public PoCs found — 53✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/45193exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/44553exploitdbwww.exploit-db.com/exploits/46513unverifiedgithubgithub.com/0xn0ne/weblogicScanner★ 2080githubgithub.com/daybreak-kits/weblogicScanner★ 2079githubgithub.com/tdy218/ysoserial-cve-2018-2628★ 114githubgithub.com/jas502n/CVE-2018-2628★ 107githubgithub.com/shengqi158/CVE-2018-2628★ 78githubgithub.com/forlin/CVE-2018-2628★ 20githubgithub.com/aedoo/CVE-2018-2628-MultiThreading★ 15githubgithub.com/jiansiting/weblogic-cve-2018-2628★ 14githubgithub.com/0xMJ/CVE-2018-2628★ 12githubgithub.com/Lighird/CVE-2018-2628★ 10githubgithub.com/Nervous/WebLogic-RCE-exploit★ 5githubgithub.com/likekabin/CVE-2018-2628★ 3githubgithub.com/zjxzjx/CVE-2018-2628-detect★ 2githubgithub.com/Shadowshusky/CVE-2018-2628all★ 2githubgithub.com/herantong/CVE-2018-2628★ 1githubgithub.com/skydarker/CVE-2018-2628★ 1githubgithub.com/victor0013/CVE-2018-2628★ 1githubgithub.com/9uest/CVE-2018-2628★ 1githubgithub.com/stevenlinfeng/CVE-2018-2628★ 0githubgithub.com/wrysunny/cve-2018-2628★ 0githubgithub.com/cscadoge/weblogic-cve-2018-2628★ 0githubgithub.com/shaoshore/CVE-2018-2628★ 0githubgithub.com/BabyTeam1024/cve-2018-2628★ 0githubgithub.com/seethen/cve-2018-2628★ 0cve_referencewww.exploit-db.com/exploits/45193/unverifiedcve_referencewww.exploit-db.com/exploits/46513/unverifiedvulncheckvulncheck.com/xdb/7459b9092084unverifiedvulncheckvulncheck.com/xdb/9568d7a3210dunverifiedvulncheckvulncheck.com/xdb/5fb56addad69unverifiedvulncheckvulncheck.com/xdb/1502741aa6e5unverifiedvulncheckvulncheck.com/xdb/b7a4c562d6ccunverifiedvulncheckvulncheck.com/xdb/d6dc32e5b5afunverifiedvulncheckvulncheck.com/xdb/b96cd5cb34d6unverifiedvulncheckvulncheck.com/xdb/9bb8a4f5bcd7unverifiedvulncheckvulncheck.com/xdb/2bf630ee5bdbunverifiedvulncheckvulncheck.com/xdb/2d7c1b752013unverifiedvulncheckvulncheck.com/xdb/50c18de3d86aunverifiedvulncheckvulncheck.com/xdb/efdf79b80de3unverifiedvulncheckvulncheck.com/xdb/9897ff7f2048unverifiedvulncheckvulncheck.com/xdb/f5c1eb50cf55unverifiedvulncheckvulncheck.com/xdb/a0a66287ef5bunverifiedvulncheckvulncheck.com/xdb/d5a92dce5856unverifiedvulncheckvulncheck.com/xdb/c7bbf0a3a56cunverifiedvulncheckvulncheck.com/xdb/eed7ace69d37unverifiedvulncheckvulncheck.com/xdb/137f7572ee51unverifiedvulncheckvulncheck.com/xdb/3f0bbfbfe6a2unverifiedcve_referencewww.exploit-db.com/exploits/44553/unverifiedvulncheckvulncheck.com/xdb/a520b1968ba0unverifiedvulncheckvulncheck.com/xdb/ca80154633cfunverifiedvulncheckvulncheck.com/xdb/f239b0f9c8c8unverified
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