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CVE-2021-23894

HIGHCVSS 8.8/10EPSS 2.24%

Last modified

CVE-2021-23894 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 2.24% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
2.24%

80.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
McafeeDatabase Security< 4.8.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-23894?
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.
How severe is CVE-2021-23894?
CVE-2021-23894 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.24% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23894?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23894?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST