Security readout for executives and security teams
This is an old remote file-reading flaw in WHMCS 3.x.x. If exposed, an attacker could make the client area read files outside the intended template path. The source bundle includes a public exploit reference, but no KEV listing or current active exploitation evidence. Exposure is most likely on legacy WHMCS 3.x.x installations with clientarea.php reachable from the internet. The bundle does not identify later versions, hosting panels, plugins, or downstream packages as affected. Treat this as a legacy exposure cleanup with high urgency if WHMCS 3.x.x is still public-facing. The main business risk is disclosure of sensitive server files, potentially enabling credential theft or deeper compromise. Mitigation focus: Identify and retire any WHMCS 3.x.x deployments.; Check WHMCS vendor guidance for fixed versions or migration paths.; Restrict public access to legacy clientarea.php until remediated..
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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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-2011-4813 mapping review
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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
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.