Security readout for executives and security teams
Plain-English summary
CVE-2021-27523 affects open-falcon dashboard 0.2.0. A remote attacker may be able to use a crafted POST request to the registration interface to access, change, or delete sensitive information. Public evidence does not provide a CVSS score, confirmed patch, or active exploitation claim.
Executive priority
Prioritize review if open-falcon dashboard supports production monitoring or contains sensitive operational data. The business risk is unauthorized data access or tampering in monitoring infrastructure, but urgency is tempered by incomplete public evidence and no confirmed active exploitation in the supplied sources.
Technical view
The CVE description identifies improper handling of crafted POST requests to the open-falcon dashboard register interface. Reported impact is unauthorized gain, modification, and deletion of sensitive information. The structured affected-product data is incomplete, and no CWE, CVSS vector, or remediation version is provided in the supplied sources.
Likely exposure
Exposure is most likely where open-falcon dashboard 0.2.0 is deployed and its registration interface is reachable by untrusted users. Internet-facing monitoring dashboards or dashboards accessible across broad internal networks deserve priority review.
Exploitation context
The source bundle does not show CISA KEV listing or any cited confirmation of active exploitation. It only states that remote attackers can use crafted POST requests against the register interface. Treat exploit status as unconfirmed.
Researcher notes
The record is sparse: no CVSS, CWE, CPE, patch version, or detailed root cause is included. Analysis should focus on validating affected dashboard version, registration-interface exposure, and whether the referenced GitHub issue contains vendor discussion or remediation details.
Mitigation direction
- Identify any open-falcon dashboard 0.2.0 deployments.
- Restrict dashboard and registration interface access to trusted networks or VPN users.
- Check upstream open-falcon dashboard guidance for fixed versions or configuration changes.
- Review whether registration functionality can be disabled if not operationally required.
- Back up and protect dashboard data before remediation work.
Validation and detection
- Inventory monitoring systems for open-falcon dashboard and version 0.2.0.
- Confirm whether the registration interface is reachable from untrusted networks.
- Review dashboard logs for unusual registration-related POST activity.
- Check sensitive dashboard data for unexpected creation, modification, or deletion.
- Document compensating controls if no vendor fix is available.
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.
CVE-2021-27523 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/open-falcon/dashboard/issues/153CVE reference
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.