Narrow Security Scanner 2000 (unix / perl) searches for 367 remote vulnerabilities. Tested on Redhat, FreeBSD, and OpenBSD, Slackware, and SuSE.
You can download it from the following link: https://packetstormsecurity.com/files/download/16966/NSS_2000pre10-unx.tar.gz
Source: https://packetstormsecurity.com/files/16966/NSS_2000pre10-unx.tar.gz.html