CVE-2020-2549 Auth bypass in WebLogic Server

What is CVE-2020-2549?

CVE-2020-2549 is a high-severity authentication bypass vulnerability in Oracle Weblogic Server, published on 15 Jan 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). The supported version that is affected is 10.3.6.0.0. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

Which versions are affected by CVE-2020-2549?

It affects 1 product.

Products include Oracle Weblogic Server.

How do I fix CVE-2020-2549?

No fix has been published for CVE-2020-2549 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-2549 being exploited?

There is no known exploitation of CVE-2020-2549 in the wild and no public exploit code.

Other vulnerabilities in Oracle Weblogic Server

• CVE-2020-14750 Oracle WebLogic Server Remote Code Execution Exploited Critical 9.8
• CVE-2020-14882 Oracle WebLogic Server Remote Code Execution Exploited Critical 9.8
• CVE-2020-14644 Oracle WebLogic Server Remote Code Execution Exploited Critical 9.8
• CVE-2020-2883 Oracle WebLogic Server Unspecified Exploited Critical 9.8
• CVE-2020-2551 Oracle Fusion Middleware Unspecified Exploited Critical 9.8

All Oracle Weblogic Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4g84-hqrm-78fw.