VDB-14292 · CVE-1999-1159 · XFDB 1471

SSH 2.0.11 Port Forwarding privileges management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in SSH 2.0.11. This vulnerability affects unknown code of the component Port Forwarding Handler. The manipulation results in privileges management. This vulnerability is reported as CVE-1999-1159. No exploit exists. This vulnerability is historically impactful due to its background and the reception it garnered.

Detailsinfo

A vulnerability classified as problematic has been found in SSH 2.0.11 (SSH Server Software). Affected is an unknown code block of the component Port Forwarding Handler. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

SSH 2.0.11 and earlier allows local users to request remote forwarding from privileged ports without being root.

The weakness was disclosed 12/29/1998 as not defined posting (Bugtraq). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is traded as CVE-1999-1159. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/17/2026). The MITRE ATT&CK project declares the attack technique as T1068. This vulnerability has a historic impact due to its background and reception.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (1471) and Vulnerability Center (SBV-5960†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

SSH Server Software

Name

Version

2.0.11

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.9
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/29/1998 🔍
12/29/1998 +0 days 🔍
12/29/1998 +0 days 🔍
11/23/2004 +2156 days 🔍
06/19/2014 +3495 days 🔍
04/17/2026 +4320 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Status: Not defined

CVE: CVE-1999-1159 (🔍)
GCVE (CVE): GCVE-0-1999-1159
GCVE (VulDB): GCVE-100-14292
X-Force: 1471
Vulnerability Center: 5960 - SSH Remote Forwarding Privileges Vulnerability, Medium

Entryinfo

Created: 06/19/2014 23:08
Updated: 04/17/2026 20:45
Changes: 06/19/2014 23:08 (38), 05/26/2019 09:37 (16), 04/17/2026 20:45 (16)
Complete: 🔍
Cache ID: 216::103