Security readout for executives and security teams
This CVE describes a Cisco IOS Easy VPN Server authentication bypass. If an exposed device runs the affected IOS trains and uses XAUTH version 6, a remote attacker could bypass authentication with a malformed packet. The bundle does not provide CVSS, confirmed affected CPEs, fixed releases, or evidence of active exploitation. Exposure is likely limited to legacy Cisco IOS deployments using Easy VPN Server with XAUTH version 6 enabled. Internet-facing VPN endpoints are the primary concern. The provided affected product metadata is incomplete, so asset validation must rely on device configuration and Cisco advisory guidance. Prioritize review if any legacy Cisco VPN infrastructure remains in production. Authentication bypass on a remote access VPN can create direct network access risk, but urgency depends on whether affected IOS trains and XAUTH version 6 are still present. Mitigation focus: Review the Cisco advisory for fixed IOS releases and official workarounds.; Inventory Cisco IOS 12.2T, 12.3, and 12.3T VPN endpoints.; Identify devices using Easy VPN Server XAUTH version 6 authentication..
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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CVE-2005-1057 mapping review
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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
- oval:org.mitre.oval:def:5852CVE reference · vdb-entry, signature
Products and packages named in the record
CWE details
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