CVE-2006-1961
CVE-2006-1961 is a high-severity vulnerability in Cisco User Registration Tool with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Cisco User Registration Tool
- Published:
- Last modified:
Description
Cisco CiscoWorks Wireless LAN Solution Engine (WLSE) and WLSE Express before 2.13, Hosting Solution Engine (HSE) and User Registration Tool (URT) before 20060419, and all versions of Ethernet Subscriber Solution Engine (ESSE) and CiscoWorks2000 Service Management Solution (SMS) allow local users to gain Linux shell access via shell metacharacters in arguments to the "show" command in the application's command line interface (CLI), aka bug ID CSCsd21502 (WLSE), CSCsd22861 (URT), and CSCsd22859 (HSE). NOTE: other issues might be addressed by the Cisco advisory.
Frequently asked questions
- What is CVE-2006-1961?
- Cisco CiscoWorks Wireless LAN Solution Engine (WLSE) and WLSE Express before 2.13, Hosting Solution Engine (HSE) and User Registration Tool (URT) before 20060419, and all versions of Ethernet Subscriber Solution Engine (ESSE) and CiscoWorks2000 Service Management Solution (SMS) allow local users to gain Linux shell access via shell metacharacters in arguments to the "show" command in the application's command line interface (CLI), aka bug ID CSCsd21502 (WLSE), CSCsd22861 (URT), and CSCsd22859 (HSE). NOTE: other issues might be addressed by the Cisco advisory.
- How severe is CVE-2006-1961?
- CVE-2006-1961 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2006-1961 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2006-1961?
- CVE-2006-1961 primarily affects Cisco User Registration Tool. In total, 36 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2006-1961?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2006-1961 published?
- CVE-2006-1961 was published on 2006-04-21 and last updated on 2026-06-16.
References
- http://secunia.com/advisories/19736
- http://secunia.com/advisories/19739
- http://secunia.com/advisories/19741
- http://securitytracker.com/id?1015965
- http://www.assurance.com.au/advisories/200604-cisco.txt
- http://www.cisco.com/warp/public/707/cisco-sa-20060419-wlse.shtml
- http://www.cisco.com/warp/public/707/cisco-sr-20060419-priv.shtml
- http://www.osvdb.org/24813
- http://www.securityfocus.com/archive/1/431367/30/5490/threaded
- http://www.securityfocus.com/archive/1/431371/30/5490/threaded
- http://www.securityfocus.com/bid/17609
- http://www.vupen.com/english/advisories/2006/1434
- http://www.vupen.com/english/advisories/2006/1435
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25884
Affected products (36)
- cpe:2.3:a:cisco:user_registration_tool:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.0:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.1:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.2:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.2:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.3:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.3:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.4:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.4:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.5:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.5:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.6:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.6:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.7:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.7:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.8:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.8:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.9:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.9:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.10:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.10:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.11:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.11:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.12:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.12:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.13:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:wireless_lan_solution_engine:2.13:*:express:*:*:*:*:*
- cpe:2.3:a:cisco:ciscoworks_2000_service_management_solution:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:hosting_solution_engine:1.7:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:hosting_solution_engine:1.7.0:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:hosting_solution_engine:1.7.1:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:hosting_solution_engine:1.7.2:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:hosting_solution_engine:1.7.3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ethernet_subscriber_solution_engine:*:*:*:*:*:*:*:*