finger 0@host information disclosure

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.
9.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in finger. The impacted element is an unknown function. Executing a manipulation of the argument 0@host can lead to information disclosure. This vulnerability is handled as CVE-1999-0197. There is not any exploit available. This vulnerability has a historic impact due to its background and reception. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in finger (affected version not known) and classified as critical. This vulnerability affects some unknown functionality. The manipulation of the argument 0@host with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

finger 0@host on some systems may print information on some user accounts.

The weakness was released 01/01/1999. This vulnerability was named CVE-1999-0197. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/26/2025). The MITRE ATT&CK project declares the attack technique as T1592. This vulnerability has a historic impact due to its background and reception.

The vulnerability scanner Nessus provides a plugin with the ID 10069 (Finger [email protected] Unused Account Disclosure), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 31000 (Finger 0@" Information about Logged Users Disclosure Vulnerability).

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 332.

The vulnerability is also documented in the databases at X-Force (8378), Tenable (10069) and Vulnerability Center (SBV-388†). Entry connected to this vulnerability is available at VDB-14297. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10069
Nessus Name: Finger [email protected] Unused Account Disclosure
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 902555
OpenVAS Name: Finger Service Unused Account Disclosure Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Snort ID: 332
Snort Message: PROTOCOL-FINGER 0 query
Snort Class: 🔍

Suricata ID: 2100332
Suricata Class: 🔍
Suricata Message: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

01/01/1999 🔍
01/01/1999 +0 days 🔍
01/01/1999 +0 days 🔍
06/22/1999 +172 days 🔍
12/17/2002 +1274 days 🔍
06/19/2014 +4202 days 🔍
10/26/2025 +4147 days 🔍

Sourcesinfo

Status: Confirmed

CVE: CVE-1999-0197 (🔍)
GCVE (CVE): GCVE-0-1999-0197
GCVE (VulDB): GCVE-100-14296
X-Force: 8378
Vulnerability Center: 388 - \x270@host\x27 Request in Finger Service Discloses User Account Information, Low

See also: 🔍

Entryinfo

Created: 06/19/2014 23:10
Updated: 10/26/2025 15:37
Changes: 06/19/2014 23:10 (70), 10/26/2025 15:37 (20)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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