Security readout for executives and security teams
CVE-2019-10149 is a critical Exim mail server flaw that can let an unauthenticated attacker execute commands through crafted recipient handling. Mail servers are often internet-facing, so vulnerable Exim deployments can become a direct path to server compromise. Organizations running Exim mail transfer agents, especially internet-facing SMTP hosts, are the likely exposure group. The highest concern is systems on Exim 4.87 through 4.91 per the CVE description and vendor advisories. Treat this as urgent for any internet-facing Exim server. A known-exploited remote command execution bug on mail infrastructure can lead to full host compromise and business email disruption. Mitigation focus: Inventory all Exim installations and identify exposed SMTP hosts.; Apply Exim security updates from the relevant OS or vendor advisory.; Prioritize internet-facing mail servers and shared hosting infrastructure..
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-78: Command execution behavior lookup
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Open ATT&CK lookupCVE-2019-10149 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9 (3.0)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
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.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H2.26Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
9CriticalVector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- USN-4010-1CVE reference · vendor-advisory
- DSA-4456CVE reference · vendor-advisory
- 20190605 [SECURITY] [DSA 4456-1] exim4 security updateCVE reference · mailing-list
- GLSA-201906-01CVE reference · vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149CVE reference
- https://www.exim.org/static/doc/security/CVE-2019-10149.txtCVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-10149CVE reference · government-resource
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 Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.