CVE-2020-2551: critical vulnerability in Oracle Corporation WebLogic Server
Published · Updated
100Vexday Risk Score
Patch now. It under exploitation confirmed by CISA and has a working public exploit.
ssvc Actcvss 9.8epss 93%
from disclosure to weapon0 days
Published on NVDJan 15
1st PoCJan 15
CISA KEV+1401d
exploitation probability
93%top 1% of all CVEs
observed exploitation
yesCISA + VulnCheck
17 public exploit(s)
Action required by CISAfederal deadline: 2023-12-07
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
In short
Oracle WebLogic Server has a critical flaw that allows anyone on the network to take complete control of the server without needing a password. An attacker can remotely exploit this vulnerability through the IIOP protocol to gain full access to the system.
Technical detail
Unauthenticated remote code execution vulnerability in Oracle WebLogic Server via IIOP protocol (network-accessible, no authentication required). Exploitation requires network access to affected versions (10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0) and results in complete compromise with high impact to confidentiality, integrity, and availability.
Summary generated and translated by AI from the official description.
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP 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).