Security readout for executives and security teams
Plain-English summary
CVE-2018-16977 is an information disclosure issue in Monstra CMS 3.0.4. Its exception error view may expose server environment details such as PATH, DOCUMENT_ROOT, and SERVER_ADMIN. This does not show direct compromise, but it can give attackers useful reconnaissance data.
Executive priority
Treat this as a low-urgency hygiene issue unless Monstra CMS 3.0.4 is internet-facing and exposing detailed errors. It can improve attacker reconnaissance but is not evidenced as direct system compromise.
Technical view
The cited CVE description places the issue in libraries/Gelato/ErrorHandler/Resources/Views/Errors/exception.php in Monstra CMS V3.0.4. When exception output is exposed, server-side environment values may be disclosed. The source bundle provides no CVSS, CWE, patch, or affected-package metadata beyond the description.
Likely exposure
Exposure is likely limited to internet-facing Monstra CMS 3.0.4 deployments where verbose exception pages can be triggered or viewed remotely. The provided affected-product metadata is incomplete, so asset confirmation is required.
Exploitation context
The bundle does not show CISA KEV listing or any cited evidence of active exploitation. Public disclosure exists through a GitHub issue reference, but no source here confirms weaponized use in the wild.
Researcher notes
Evidence is sparse: the CVE description identifies the file and leaked variables, but lacks CVSS, CWE, exploit status, and official remediation details. Validate affected deployments before assigning severity beyond low information disclosure risk.
Mitigation direction
- Check Monstra CMS or maintainer guidance for a fixed version or configuration recommendation.
- Identify and prioritize any Monstra CMS 3.0.4 instances for upgrade or retirement review.
- Ensure production error pages do not expose verbose exception details to users.
- Review web server and PHP settings for public error disclosure controls.
- Limit access to administrative or diagnostic surfaces where feasible.
Validation and detection
- Inventory public websites and repositories for Monstra CMS 3.0.4 usage.
- Review production error handling for exposed PATH, DOCUMENT_ROOT, or SERVER_ADMIN values.
- Check whether exception.php can be reached or triggered by unauthenticated users.
- Confirm any remediation against vendor or maintainer guidance before closure.
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-2018-16977 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/howchen/howchen/issues/4CVE 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.