What is CVE-1999-0005?

CVE-1999-0005 is a vulnerability in Netscape Messaging Server. Published 1998-07-20.

Is CVE-1999-0005 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Netscape Messaging Server

CVE-1999-0005

Arbitrary command execution via IMAP buffer overflow in authenticate command.

Published 1998-07-20 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.184 (97.1th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.184 · newest: 0.184 · change: 0.000

Affected products

Netscape Messaging Server — versions 3.55
University Of Washington Imap — versions 10.234

Public proof-of-concept exploits

References

www.securityfocus.com/bid/130 (vdb-entry)
sunsolve.sun.com/pub-cgi/retrieve.pl (vendor-advisory)

Frequently asked questions

What is CVE-1999-0005?: CVE-1999-0005 is a vulnerability in Netscape Messaging Server. Published 1998-07-20.
Is CVE-1999-0005 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.