| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in Cisco ACS. Affected by this issue is some unknown functionality of the component AUTH Configuration Handler. This manipulation causes improper authentication. This vulnerability is registered as CVE-1999-0734. No exploit is available. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Cisco ACS (affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component AUTH Configuration Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
A default configuration of CiscoSecure Access Control Server (ACS) allows remote users to modify the server database without authentication.
The bug was discovered 08/19/1999. The weakness was published 08/19/1999 (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-1999-0734. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (3133), OSVDB (7675†) and Vulnerability Center (SBV-11332†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| 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: 🔍
Exploiting
Class: Improper authenticationCWE: 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
08/19/1999 🔍08/19/1999 🔍
08/19/1999 🔍
08/19/1999 🔍
05/02/2006 🔍
06/21/2014 🔍
04/19/2026 🔍
Sources
Vendor: cisco.comAdvisory: tools.cisco.com
Status: Confirmed
CVE: CVE-1999-0734 (🔍)
GCVE (CVE): GCVE-0-1999-0734
GCVE (VulDB): GCVE-100-14785
X-Force: 3133
OSVDB: 7675 - CVE-1999-0734 - Cisco - CiscoSecure - Authentication Bypass Issue
Vulnerability Center: 11332 - [cisco-sa-19990819-dbaccess] Cisco ACS Allows Unauthorized Access to Database, Medium
Entry
Created: 06/21/2014 19:29Updated: 04/19/2026 10:50
Changes: 06/21/2014 19:29 (52), 06/17/2019 14:11 (4), 04/19/2026 10:50 (18)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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