Security readout for executives and security teams
This is an old Nortel SSL VPN issue where a remote attacker could cause command execution through tunnelform.yaws using a crafted link parameter handled by a privileged, signed Java applet. For executives, the main concern is any forgotten legacy VPN appliance exposed to users or the internet. Exposure is most likely in legacy environments still running Nortel SSL VPN 4.2.1.6 with tunnelform.yaws reachable. Evidence in the bundle does not identify other affected versions, successor products, cloud services, or default internet exposure. Prioritize discovery and removal of exposed legacy Nortel SSL VPN systems. The issue is old, but VPN appliances are high-value access points, and unsupported remote command execution risk can justify urgent replacement even without current exploitation evidence. Mitigation focus: Identify and retire any remaining Nortel SSL VPN 4.2.1.6 systems.; Check vendor or successor-maintainer guidance for confirmed fixes.; Restrict access to affected VPN interfaces to trusted networks..
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.
CVE-2005-4197 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
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.