CVE-2003-0386

CVE-2003-0386 describes a bypass vulnerability in OpenSSH versions 3.6.1 and earlier, impacting OpenBSD. When host access is restricted by numeric IP addresses and VerifyReverseMapping is disabled, remote attackers can circumvent "from=" and "user@host" restrictions by manipulating reverse DNS entries to include the numeric IP address. This vulnerability carries a CVSS score of 7.5, indicating a high severity with potential for partial confidentiality, integrity, and availability impacts, requiring no authentication and low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.