Security readout for executives and security teams
Plain-English summary
McAfee Database Security servers before 4.8.2 can be taken over by an unauthenticated remote attacker. The reported impact is severe: attacker-controlled code may run with administrator privileges on the DBSec server, enabling confidentiality, integrity, and availability compromise.
Executive priority
Treat this as a critical remediation item if DBSec is present. The business risk is full server compromise of a database security platform, potentially undermining monitoring and protection around sensitive database assets.
Technical view
CVE-2021-23894 is a CWE-502 unsafe deserialization flaw in McAfee DBSec. A crafted Java serialized object sent to the DBSec server can create a reverse shell with administrator privileges. CVSS 3.1 is 9.6, with no privileges or user interaction required.
Likely exposure
Organizations running McAfee Database Security prior to 4.8.2 are the affected population. Exposure is highest where the DBSec server is reachable from untrusted or adjacent networks. The bundle does not identify specific ports, deployment patterns, or CPEs.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. However, the vulnerability description indicates unauthenticated remote code execution with administrator privileges, so exposed legacy DBSec servers should be treated as urgent.
Researcher notes
The public bundle provides high-impact RCE details but omits affected subversions, ports, exploit prevalence, and full mitigation text. The CVSS vector says adjacent network, while the description says remote unauthenticated; preserve that nuance in exposure analysis.
Mitigation direction
- Identify all McAfee Database Security servers and their exact versions.
- Upgrade DBSec systems running versions prior to 4.8.2.
- Review McAfee SB10359 for vendor-specific remediation details.
- Restrict network reachability to DBSec servers to trusted administrative paths.
- Investigate any exposed unpatched DBSec server for compromise indicators.
Validation and detection
- Confirm whether McAfee Database Security is deployed in the environment.
- Compare installed DBSec versions against the prior-to-4.8.2 affected range.
- Verify DBSec servers are not reachable from untrusted network segments.
- Review server logs for unexpected administrator-level processes or outbound connections.
- Document remediation status for each DBSec instance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-23894 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H2.86Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://kc.mcafee.com/corporate/index?page=content&id=SB10359CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.