Security readout for executives and security teams
Plain-English summary
This issue can let a logged-in, highly privileged user crash the web management service on specific ASUS BMC firmware versions through the Active Directory settings page. The main business impact is loss of remote management availability, not data theft or system takeover based on the provided sources.
Executive priority
Treat this as a targeted infrastructure availability risk. Prioritize systems where BMC access is broadly reachable or supports critical servers, but urgency is lower than unauthenticated remote code execution because privileged access is required.
Technical view
CVE-2021-28184 is a CWE-120 buffer overflow in the Active Directory configuration function of ASUS BMC firmware web management. The CVSS vector shows network reachability, low complexity, high privileges required, no user interaction, and high availability impact only. Affected firmware versions listed are Z10PR-D16 1.14.51, ASMB8-iKVM 1.14.51, and Z10PE-D16 WS 1.14.2.
Likely exposure
Exposure is limited to organizations running the listed ASUS BMC firmware versions, especially where the BMC web interface is reachable over a network by privileged administrators. Risk increases if BMC management networks are broadly accessible or admin credentials are shared.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The CVSS data indicates exploitation requires high privileges. Public details describe abnormal termination of the web service, so the supported impact is denial of BMC web management availability.
Researcher notes
Evidence is concise and does not name a fixed firmware version or detailed exploit path. Keep analysis scoped to the Active Directory configuration page buffer overflow and availability impact. Do not assume broader BMC compromise without additional vendor or researcher evidence.
Mitigation direction
- Check ASUS security advisory and support channels for fixed firmware guidance.
- Restrict BMC web management access to trusted admin networks or VPN.
- Remove unnecessary privileged BMC accounts and enforce least privilege.
- Monitor BMC web service crashes, restarts, and Active Directory configuration changes.
- Avoid exposing BMC management interfaces to the public internet.
Validation and detection
- Inventory ASUS BMC models and firmware versions across server assets.
- Confirm whether Z10PR-D16 1.14.51, ASMB8-iKVM 1.14.51, or Z10PE-D16 WS 1.14.2 are present.
- Verify BMC web interfaces are reachable only from management networks.
- Review BMC logs for abnormal web service termination around configuration changes.
- Check ASUS and TWCERT references for updated remediation details.
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-120: Exact CWE lookup
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Open ATT&CK lookupCVE-2021-28184 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
- Medium
- CVSS
- 4.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/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:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H1.23.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.9MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.asus.com/content/ASUS-Product-Security-Advisory/CVE reference · x_refsource_MISC
- https://www.asus.com/tw/support/callus/CVE reference · x_refsource_MISC
- https://www.twcert.org.tw/tw/cp-132-4554-10a74-1.htmlCVE reference · x_refsource_MISC
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.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.