Cisco Trust Agent authentication spoofing

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, was found in Cisco Trust Agent (version unknown). Affected is some unknown functionality. The manipulation with an unknown input leads to a weak authentication vulnerability. CWE is classifying the issue as CWE-290. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Cisco Secure ACS does not require authentication when Cisco Trust Agent (CTA) transmits posture information, which might allow remote attackers to gain network access via a spoofed Network Endpoint Assessment posture, aka "NACATTACK." NOTE: this attack might be limited to authenticated users and devices.

The bug was discovered 03/30/2007. The weakness was published 03/20/2007 (Website). The advisory is shared for download at This vulnerability is traded as CVE-2007-1800 since 04/02/2007. The exploitability is told to be easy. It is possible to launch the attack remotely. 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 07/17/2019).

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 (33557) and Vulnerability Center (SBV-14761).




CPE 2.3infoedit

CPE 2.2infoedit


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

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



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

NVD Base Score: 🔍


Class: Weak authentication
CWE: CWE-290
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


03/20/2007 🔍
03/30/2007 +9 days 🔍
03/30/2007 +0 days 🔍
04/02/2007 +3 days 🔍
04/02/2007 +0 days 🔍
04/04/2007 +2 days 🔍
04/22/2007 +18 days 🔍
03/27/2014 +2530 days 🔍
03/13/2015 +351 days 🔍
07/17/2019 +1587 days 🔍



Status: Not defined

CVE: CVE-2007-1800 (🔍)
X-Force: 33557
Vulnerability Center: 14761 - [cisco-sr-20070330-cta] Cisco Secure ACS Posture Information Disclosure Allows Remote Network Access, Medium
OSVDB: 34123 - Cisco Secure ACS Cisco Trust Agent (CTA) Authentication Weakness (NACATTACK)


Created: 03/13/2015 02:56 PM
Updated: 07/17/2019 11:15 AM
Changes: (1) vulnerability_discoverydate
Complete: 🔍


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