CVE-2021-23894 Unauthorized deserialization of untrusted data in McAfee DBSec
Remote unauthenticated attackers can execute arbitrary code with administrator privileges via malicious Java serialized objects in McAfee DBSec.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-23894?
CVE-2021-23894 is a critical unsafe deserialization vulnerability in McAfee,LLC McAfee Database Security (DBSec), published on 2 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Deserialization of untrusted data vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows a remote unauthenticated attacker to create a reverse shell with administrator privileges on the DBSec server via carefully constructed Java serialized object sent to the DBSec server.
Weakness: CWE-502
Which versions are affected by CVE-2021-23894?
It affects 1 product.
Products include Mcafee Database Security.
How do I fix CVE-2021-23894?
No fix has been published for CVE-2021-23894 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2021-23894 being exploited?
There is no known exploitation of CVE-2021-23894 in the wild and no public exploit code.
Other vulnerabilities in McAfee,LLC McAfee Database Security (DBSec)
- CVE-2021-23895 Authorized deserialization of untrusted data in McAfee DBSec
- CVE-2020-7339 Database Security(DBS)-Use of a Broken or Risky Cryptographic Algorithm
- CVE-2021-31850 Denial of Service in Database Security on Windows
- CVE-2021-31830 Cross site Scripting (XSS) vulnerability in McAfee DBSec
- CVE-2019-3615 Data Leakage Vulnerability in McAfee Database Security web interface
Sources
Also known as GHSA-86cp-mgj2-w853.