Security readout for executives and security teams
Plain-English summary
This issue affects Intel Security McAfee Email Gateway filtering of email attachments. A forged attachment filename containing a null byte could cause the gateway to misread the filename extension, potentially letting a file bypass extension-based controls.
Executive priority
Treat as a targeted remediation item for legacy email security infrastructure. Priority rises if MEG still filters inbound mail and attachment controls are central to malware prevention.
Technical view
CVE-2016-8005 is a file extension filtering flaw in McAfee Email Gateway before 7.6.404h1128596. The CVE states MEG may fail to identify a filename properly when scanning an email attachment with a forged filename containing a null byte in the extension.
Likely exposure
Exposure is limited to organizations running Intel Security McAfee Email Gateway versions before 7.6.404h1128596 and relying on extension filtering for inbound email attachments.
Exploitation context
The source bundle does not show KEV listing, public exploitation, CVSS, or CWE data. The described attack path is email-based and involves a forged attachment filename.
Researcher notes
The evidence is sparse: no CVSS, CWE, exploit maturity, or detailed vendor text is included. The version boundary and filename parsing behavior are the main reliable facts.
Mitigation direction
- Inventory McAfee Email Gateway deployments and confirm running versions.
- Upgrade MEG to 7.6.404h1128596 or later where applicable.
- Review vendor advisory SB10161 for supported remediation guidance.
- Do not rely only on filename extension controls for attachments.
- Retire or isolate unsupported MEG appliances.
Validation and detection
- Check MEG version numbers against 7.6.404h1128596.
- Review attachment filtering policies for extension-only decisions.
- Confirm inbound attachment scanning logs are retained and monitored.
- Look for email security exceptions involving malformed attachment filenames.
- Document whether MEG remains in production mail flow.
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-2016-8005 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://kc.mcafee.com/corporate/index?page=content&id=SB10161CVE reference · x_refsource_CONFIRM
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.