---
id: CVE-1999-1098
title: >-
  Vulnerability in BSD Telnet client with encryption and Kerberos 4
  authentication allows remote attackers to decrypt the session via sniffing.
summary: >-
  Vulnerability in BSD Telnet client with encryption and Kerberos 4
  authentication allows remote attackers to decrypt the session via sniffing.
severity: medium
cvss: 5
cvssVector: 'AV:N/AC:L/Au:N/C:P/I:N/A:N'
published: '1995-03-03'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-1098'
references:
  - url: 'http://www.cert.org/advisories/CA-1995-03.html'
    label: cve@mitre.org
  - url: 'http://www.ciac.org/ciac/bulletins/f-12.shtml'
    label: cve@mitre.org
  - url: 'http://www.iss.net/security_center/static/516.php'
    label: cve@mitre.org
  - url: 'http://www.osvdb.org/4881'
    label: cve@mitre.org
  - url: 'http://www.cert.org/advisories/CA-1995-03.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.ciac.org/ciac/bulletins/f-12.shtml'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.iss.net/security_center/static/516.php'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.osvdb.org/4881'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01363
epssPercentile: 0.7059
ingestedAt: '2026-06-19T03:39:00.751Z'
---

## Overview

Vulnerability in BSD Telnet client with encryption and Kerberos 4 authentication allows remote attackers to decrypt the session via sniffing.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.