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Vulnerability record · CVE-2009-0742 · published 26 February 2009

CVE-2009-0742: Cisco application control engine module vulnerability

Cisco · Application Control Engine Module

The username command in Cisco ACE Application Control Engine Module for Catalyst 6500 Switches and 7600 Routers and Cisco ACE 4710 Application Control Engine Appliance stores a cleartext password by default, which allows context-dependent attackers to obtain sensitive information.

7.8 CVSS 2.0 High EPSS 1.1% · top 36.4% CWE-310 · CWE-310
7.8CVSS 2.0 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

Description

The username command in Cisco ACE Application Control Engine Module for Catalyst 6500 Switches and 7600 Routers and Cisco ACE 4710 Application Control Engine Appliance stores a cleartext password by default, which allows context-dependent attackers to obtain sensitive information.

AV:N/AC:L/Au:N/C:C/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2009-0742 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2009-0621Cisco ace 4710 vulnerabilityCisco ACE 4710 Application Control Engine Appliance before A1(8a) uses default (1) usernames and (2) passwords for (a) the administrator, (b) web man…EPSS 1.8%10.0CVE-2009-0620Cisco application control engine module vulnerabilityCisco ACE Application Control Engine Module for Catalyst 6500 Switches and 7600 Routers before A2(1.1) uses default (1) usernames and (2) passwords f…EPSS 1.8%9.0CVE-2009-0622Cisco application control engine module vulnerabilityUnspecified vulnerability in Cisco ACE Application Control Engine Module for Catalyst 6500 Switches and 7600 Routers before A2(1.2) and Cisco ACE 471…EPSS 1.5%7.8CVE-2010-2825Cisco ace module vulnerabilityUnspecified vulnerability in the SIP inspection feature on the Cisco Application Control Engine (ACE) Module with software A2(1.x) before A2(1.6), A2…EPSS 1.2%7.8CVE-2010-2822Cisco ace 4710 vulnerabilityUnspecified vulnerability in the RTSP inspection feature on the Cisco Application Control Engine (ACE) Module with software before A2(3.2) for Cataly…EPSS 1.8%7.8CVE-2010-2823Cisco ace 4710 vulnerabilityUnspecified vulnerability in the deep packet inspection feature on the Cisco Application Control Engine (ACE) 4710 appliance with software before A3(…EPSS 1.8%7.8CVE-2009-0623Cisco ace 4710 vulnerabilityUnspecified vulnerability in Cisco ACE Application Control Engine Module for Catalyst 6500 Switches and 7600 Routers before A2(1.3) and Cisco ACE 471…EPSS 1.3%7.8CVE-2009-0625Cisco ace 4710 code injection vulnerabilityUnspecified vulnerability in Cisco ACE Application Control Engine Module for Catalyst 6500 Switches and 7600 Routers before A2(1.2) and Cisco ACE 471…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2009-0742), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.