CVE-2021-2391 Auth bypass in BI Publisher (formerly XML Publisher)
A low-privileged attacker can compromise Oracle BI Publisher via HTTP, leading to full system takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-2391?
CVE-2021-2391 is a high-severity authentication bypass vulnerability in Oracle Corporation BI Publisher (formerly XML Publisher), published on 20 Jul 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Vulnerability in the Oracle BI Publisher product of Oracle Fusion Middleware (component: Scheduler). Supported versions that are affected are 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle BI Publisher. Successful attacks of this vulnerability can result in takeover of Oracle BI Publisher. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Which versions are affected by CVE-2021-2391?
It affects 1 product.
Products include Oracle Bi Publisher.
How do I fix CVE-2021-2391?
No fix has been published for CVE-2021-2391 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-2021-2391 being exploited?
There is no known exploitation of CVE-2021-2391 in the wild and no public exploit code.
Other vulnerabilities in Oracle Corporation BI Publisher (formerly XML Publisher)
Sources
Also known as GHSA-wr3q-4xj2-4v9f.