Security readout for executives and security teams
Plain-English summary
CVE-2021-30205 is an access-control flaw in dzzoffice 2.02.1_SC_UTF8. An unauthenticated person may be able to view department and username information that should normally require login. This is not described as system takeover, but it can expose internal structure and aid targeting.
Executive priority
Treat this as a targeted privacy and reconnaissance risk. Prioritize externally reachable dzzoffice instances, because exposed usernames and departments can make phishing and credential attacks more effective even without direct system compromise.
Technical view
The reported issue is CWE-863 incorrect authorization in /index.php?mod=system&op=orgtree. The source bundle says unauthenticated attackers can browse departments and usernames in dzzoffice 2.02.1_SC_UTF8. No CVSS score, patch version, or broader affected-version range is provided.
Likely exposure
Likely exposure is limited to organizations running dzzoffice 2.02.1_SC_UTF8, especially if reachable from the internet or untrusted networks. The affected-product metadata is incomplete, so confirm actual deployments rather than assuming all versions are affected.
Exploitation context
The bundle provides no evidence of active exploitation, and KEV is false. The reported impact is unauthenticated information disclosure through an organization-tree function, which could support user enumeration, phishing, or follow-on reconnaissance.
Researcher notes
Evidence is sparse: one CVE record and one GitHub issue are cited, with no CVSS, patch details, exploit status, or complete affected CPE data. Validate in an authorized environment and avoid expanding scope beyond dzzoffice 2.02.1_SC_UTF8 unless vendor evidence supports it.
Mitigation direction
- Check vendor or project guidance for a fixed release or official workaround.
- Restrict dzzoffice access to trusted networks until remediation is confirmed.
- Require authentication before exposing organization directory or user listing features.
- Monitor logs for unauthenticated access to the orgtree component.
- Remove or disable public exposure if the application is not business-critical.
Validation and detection
- Inventory dzzoffice deployments and identify any 2.02.1_SC_UTF8 instances.
- Confirm whether the orgtree component is reachable before authentication.
- Review access logs for anonymous requests to the affected component.
- Verify any vendor update or configuration change blocks unauthenticated directory browsing.
- Document exposed departments or usernames if historical access is confirmed.
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-863: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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 lookupCVE-2021-30205 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/zyx0814/dzzoffice/issues/184CVE 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.
Incorrect Authorization
Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.