CVE-2021-23894 | BDVDB-2026-154677 Detail

McAfeeMcAfee Database Security (DBSec)

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: adjacent.

Weaknesses#

CWE-502 Deserialization of Untrusted Data

References#

https://kc.mcafee.com/corporate/index?page=content&id=SB10359

Exploit#

No public exploit known

History#

Version 12021-06-02Record published in the CVE List.
Version 22024-08-03Most recent update recorded in the CVE List.

Published

Published: 2021-06-02
Last modified: 2024-08-03

Vendor information

Vendor: McAfee
Product: McAfee Database Security (DBSec)

All McAfee vulnerabilities

Score

9.6 Critical

EPSS

2.2%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 83.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Insecure Deserialization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 4.8.2
Fixed
4.8.2

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.6 Critical

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

Metric breakdown
Attack Vector	Adjacent
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).