10.0
HIGH CVSS 2.0
CVE-1999-0073
Telnet Apache Library Path Hijacking RCE
Description

Telnet allows a remote client to specify environment variables including LD_LIBRARY_PATH, allowing an attacker to bypass the normal system libraries and gain root access.

INFO

Published Date :

Oct. 13, 1995, 4 a.m.

Last Modified :

Feb. 24, 2026, 9:16 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-1999-0073 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Digital unix
2 Digital osf_1
1 Sgi irix
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-1999-0073.

URL Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0073
http://www.openwall.com/lists/oss-security/2026/02/24/3
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0073
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-1999-0073 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-1999-0073 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-1999-0073 vulnerability anywhere in the article.

  • Daily CyberSecurity
CVE-2026-2256: Unpatched Flaw in MS-Agent Lets Hackers Hijack AI Assistants

We are officially entering the era of the “autonomous agent”—smart AI programs that don’t just chat with you, but actually do things on your computer, like organizing files, searching the web, or runn ... Read more

Published Date: Mar 03, 2026 (9 hours, 14 minutes ago)
  • Daily CyberSecurity
Critical Path Traversal Flaw in basic-ftp Exposes Node.js Apps to Arbitrary File Writes

With over 18 million downloads, basic-ftp is a cornerstone utility for Node.js developers, offering a robust, Promise-based API for handling FTP, FTPS over TLS, and bulk directory operations. However, ... Read more

Published Date: Mar 02, 2026 (1 day, 10 hours ago)
  • CybersecurityNews
27 Years old Telnet Vulnerability Enables Attackers to Gain Root Access

27 Years old Telnet Enables Attackers Gain Root Access A newly confirmed vulnerability in the telnet daemon (telnetd) in GNU Inetutils has revived a 27-year-old security flaw, allowing attackers to ga ... Read more

Published Date: Feb 26, 2026 (5 days, 1 hour ago)

The following table lists the changes that have been made to the CVE-1999-0073 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Feb. 24, 2026

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2026/02/24/3
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 20, 2024

    Action Type Old Value New Value
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0073
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Aug. 17, 2022

    Action Type Old Value New Value
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0073 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 01, 2004

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 10
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.26 }} -2.41%

score

0.46361

percentile