Security readout for executives and security teams
This old Cisco VPN 3000 Concentrator flaw can make the VPN device reload, causing a service outage. It affects versions before 2.5.2(F) when encryption is enabled and a Windows PPTP client uses the No Encryption option. The source bundle does not indicate data theft or code execution. Exposure is most plausible where legacy Cisco VPN 3000 Concentrators remain deployed below release 2.5.2(F) and accept PPTP client connections. Modern environments without this product or PPTP exposure are unlikely to be affected. Prioritize remediation if this VPN platform still supports business access, because a remote outage can disrupt connectivity. If no Cisco VPN 3000 Concentrators remain, document non-exposure and close the item. Mitigation focus: Identify any Cisco VPN 3000 Concentrators still in production.; Upgrade affected devices to Cisco release 2.5.2(F) or later guidance.; Restrict PPTP access if upgrade timing is constrained..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookup- Severity
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- Known Exploited
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CNA and ADP enrichment extracted from CVE v5
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Source materials
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