Security readout for executives and security teams
CVE-2018-11574 is a critical flaw in a PPPD EAP-TLS implementation that could allow a remote unauthenticated attacker to crash the service, expose information, or bypass authentication. Risk is highest for systems using this EAP-TLS patch on externally reachable PPP/VPN-style authentication paths. Exposure depends on whether an environment deployed the PPPD 0.91 EAP-TLS patch and uses the affected EAP-TLS authentication path. The source bundle does not provide complete vendor/product CPE coverage, so asset owners should verify local PPPD builds and distribution advisories. Treat as urgent for any exposed PPPD EAP-TLS authentication service. The practical business risk is unauthorized access or service disruption, but evidence in the bundle is insufficient to claim active exploitation or universal product exposure. Mitigation focus: Check vendor advisories for fixed PPPD or EAP-TLS package guidance.; Identify and retire unsupported PPPD EAP-TLS patch deployments where possible.; Confirm whether `refuse-app` is configured where applicable..
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-190: Exact CWE lookup
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Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-11574 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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.
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- USN-3810-1CVE reference · vendor-advisory, x_refsource_UBUNTU
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.
Integer Overflow or Wraparound
Integer Overflow or Wraparound represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.