Security readout for executives and security teams
This flaw could let someone with local network access bypass 802.1x controls on certain Cisco IOS multi-auth ports after a legitimate device has authenticated. The business concern is unauthorized network access, not remote internet compromise. Public severity and CVSS details were not provided in the source bundle. Exposure is most likely on Cisco IOS devices using 802.1x multi-authentication ports. Systems not using this feature, or not reachable by an adjacent attacker, are less likely to be exposed based on the provided description. Treat this as a priority for network access environments using Cisco IOS 802.1x multi-auth. The flaw can undermine a control often relied on to keep unauthorized devices off internal networks, but evidence in the provided sources does not indicate active exploitation. Mitigation focus: Review Cisco advisory cisco-sa-20180328-dot1x for affected releases and vendor guidance.; Inventory Cisco IOS devices using 802.1x multi-authentication.; Prioritize remediation on user-access ports in sensitive network zones..
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.
CWE-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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-2018-0163 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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-dot1xCVE 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.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.