Security readout for executives and security teams
This vulnerability can let a remote, unauthenticated attacker send a specially crafted EXE attachment that Cisco ESA fails to recognize and block. The business risk is that malware-bearing email could reach users despite gateway filtering. The source bundle does not provide severity scores, affected version detail, or active exploitation evidence. Exposure is limited to organizations using Cisco Email Security Appliance for inbound or outbound attachment filtering. The bundle names ESA but does not identify specific vulnerable releases, configurations, or Cloud/SMA dependencies. Treat this as a moderate priority if Cisco ESA protects user mailboxes. It weakens a key email security control but the provided evidence does not show appliance compromise, active exploitation, or broad version impact. Mitigation focus: Review the Cisco advisory for affected releases and fixed software guidance.; Update Cisco ESA to a vendor-recommended fixed release where applicable.; Temporarily strengthen downstream endpoint controls for executable attachments..
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
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ATT&CK lookup starting points
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CWE-20: 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 lookupCVE-2018-0419 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
- 20180815 Cisco Email Security Appliance EXE File Scanning Bypass VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
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 Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
