VDB-14051 · CVE-1999-0293 · XFDB 1245

Cisco IOS AAA Authentication improper authentication

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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Cisco IOS. This issue affects some unknown processing of the component AAA Authentication. The manipulation leads to improper authentication. This vulnerability is documented as CVE-1999-0293. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco IOS (Router Operating System) (affected version not known). This issue affects some unknown functionality of the component AAA Authentication. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

aaa authentication on cisco systems allows attackers to execute commands without authorization.

The weakness was released 01/01/1998. The identification of this vulnerability is CVE-1999-0293. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (1245) and Vulnerability Center (SBV-2166†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Router Operating System

Vendor

Cisco

Name

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/1998 🔍
01/01/1998 +0 days 🔍
01/01/1998 +0 days 🔍
09/24/2003 +2092 days 🔍
06/18/2014 +3920 days 🔍
04/17/2026 +4321 days 🔍

Sourcesinfo

Vendor: cisco.com

Status: Confirmed

CVE: CVE-1999-0293 (🔍)
GCVE (CVE): GCVE-0-1999-0293
GCVE (VulDB): GCVE-100-14051
X-Force: 1245
Vulnerability Center: 2166 - [cisco-sa-19980122-aaapair] AAA Authentication on Cisco Systems Allows Command Execution, Low

Entryinfo

Created: 06/18/2014 18:08
Updated: 04/17/2026 04:57
Changes: 06/18/2014 18:08 (36), 05/13/2019 09:59 (16), 04/17/2026 04:57 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.