Security readout for executives and security teams
Plain-English summary
LaikeTui 3.5.0 has a flaw that lets a logged-in remote user delete files outside the intended image path. The cited example deletes install.lock, which could allow the product to be reinstalled under attacker-controlled conditions. Business risk depends on whether LaikeTui 3.5.0 is deployed and who can authenticate.
Executive priority
Prioritize review if LaikeTui 3.5.0 is internet-facing or grants broad authenticated access. The risk is potentially high because file deletion can undermine application integrity, but urgency should be calibrated against actual deployment and access controls.
Technical view
The CVE describes arbitrary file deletion through directory traversal in uploadImg, oldpic, or imgurl parameters. The issue is authenticated and remote. The source bundle does not provide CVSS, CWE, affected CPEs, exploit-in-the-wild evidence, or a named fixed version.
Likely exposure
Exposure appears limited to LaikeTui 3.5.0 instances where authenticated users can reach the affected image upload or deletion paths. Public internet exposure increases urgency, but the supplied sources do not define exact routes, roles, or deployment conditions.
Exploitation context
The supplied sources describe a proof scenario involving deletion of install.lock. CISA KEV is false in the bundle, and no cited source establishes active exploitation. Treat this as a serious authenticated application integrity risk, not confirmed mass exploitation.
Researcher notes
Evidence is sparse: one CVE description and a GitHub issue reference. The affected product is named in the title and description, while structured affected metadata is unavailable. Do not assume patched versions, unauthenticated reachability, or active exploitation from the supplied bundle.
Mitigation direction
- Inventory whether LaikeTui 3.5.0 is deployed.
- Check the vendor issue and project guidance for fixes or upgrade direction.
- Restrict access to LaikeTui administrative and upload functions.
- Limit filesystem write/delete permissions for the web application account.
- Preserve backups of configuration, lock files, and application directories.
Validation and detection
- Confirm deployed LaikeTui versions and exposed management surfaces.
- Review whether install.lock and other critical files remain intact.
- Inspect application logs for suspicious image parameter activity.
- Verify image deletion logic blocks directory traversal inputs.
- Check for unexpected reinstall events or configuration changes.
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.
File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-34129 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/bettershop/LaikeTui/issues/9CVE 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.