Security readout for executives and security teams
A very old flaw in Nortel's Contivity VPN device let a remote attacker crash its built-in web management server by sending a specially crafted URL. It does not steal data or grant access, but it can knock the management interface offline. Given the device's age, exposure today is limited to legacy environments still running unsupported Nortel Contivity hardware. Exposure is limited to organizations still operating end-of-life Nortel Contivity VPN switches with the HTTP management interface reachable from untrusted networks. The product line has been discontinued for many years, so real-world exposure in modern enterprises is expected to be minimal. Low priority for most organizations. Only relevant if legacy Nortel Contivity VPN hardware is still in production. Address by accelerating decommissioning of unsupported infrastructure rather than emergency patching. Mitigation focus: Identify any remaining Nortel Contivity VPN appliances in the environment and plan decommission or replacement.; Restrict management HTTP access to trusted administrative networks via ACLs or firewall rules.; Disable the web management interface if CLI or out-of-band management is available..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2000-0064 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
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Source materials
- CVE List V5 sourceCVE List V5
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CWE details
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