Security readout for executives and security teams
Plain-English summary
ZwiiCMS before 13.7.00 lets a logged-in low-privilege user block administrative pages by triggering temporary locks before authorization completes. The user still gets a 404 response, but administrators can be denied access to affected functions until the session clears.
Executive priority
Treat this as a moderate operational disruption risk. It can block administrators from managing the site, but the provided evidence does not indicate code execution, data compromise, or active exploitation.
Technical view
The issue combines improper authorization checks with flawed lock state handling across multiple administrative endpoints. A low-privilege authenticated request can bind a temporary resource lock to the requester before access denial, causing availability loss for administrators. CVSS v4.0 is 5.3, with low attack complexity and low privileges required.
Likely exposure
Exposure is limited to ZwiiCMS deployments running versions prior to 13.7.00 with authenticated low-privilege users. Public internet exposure increases operational risk if untrusted users can obtain accounts.
Exploitation context
The source bundle does not show KEV listing or active exploitation. Exploitation requires authentication but no user interaction. Impact is administrative availability, not data theft or code execution, based on the provided CVSS and advisory description.
Researcher notes
The affected version field in the bundle is incomplete, but the description and release reference identify versions before 13.7.00. Focus review on authorization order and resource lock release behavior in administrative endpoints.
Mitigation direction
- Upgrade ZwiiCMS to 13.7.00 or later per the referenced release.
- Review vendor guidance for any additional hardening or backport instructions.
- Limit low-privilege account creation to trusted users where possible.
- Terminate suspicious sessions that appear to hold administrative resource locks.
- Monitor administrative page availability after applying the update.
Validation and detection
- Inventory ZwiiCMS instances and confirm installed versions.
- Check whether any deployment runs a version prior to 13.7.00.
- Review logs for repeated low-privilege requests to administrative pages returning 404.
- Confirm administrators can access affected administrative functions after upgrade.
- Avoid reproducing lock behavior against production systems.
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
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CWE-667: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCWE-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-2025-34467 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
- 5.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
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.
SSVC decision data
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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
5.3MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/fredtempez/ZwiiCMSCVE reference, VulnCheck · product
- https://codeberg.org/fredtempez/ZwiiCMS/releases/tag/13.7.00CVE reference, VulnCheck · release-notes, patch
- https://www.vulncheck.com/advisories/zwiicms-lock-persistence-authenticated-dos-against-administrative-pagesCVE reference, VulnCheck · third-party-advisory
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.
Improper Locking
Improper Locking represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Incorrect Authorization
Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.