CVE-2001-0797: Buffer overflow in login in various System V based operating systems allows remote attackers to execute arb...

Security readout for executives and security teams

CVE-2001-0797 is a legacy buffer overflow in the login program on various System V based operating systems. Remote attackers may be able to run arbitrary commands by sending an excessive number of arguments through services such as telnet or rlogin. Treat exposed legacy Unix systems as the main business risk. Exposure is most likely on legacy Unix/System V derived hosts that still offer telnet, rlogin, or similar remote login paths invoking vulnerable login binaries. The provided bundle does not enumerate exact affected versions, so asset-specific vendor verification is required. Prioritize if the organization still runs legacy Unix systems or exposed telnet/rlogin services. For modern environments without those assets, urgency is lower, but verification is important because old infrastructure often persists outside normal patch programs. Mitigation focus: Identify legacy System V based hosts and remote login services.; Check relevant vendor advisories and patch records for each platform.; Apply vendor patches or supported replacement packages where available..

Prepared

Jul 1, 2026, 07:46 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.