Description
A vulnerability in the web interface of the Cisco Adaptive Security Appliance (ASA) 9.3(3) and 9.6(2) could allow an unauthenticated, remote attacker to determine valid usernames. The attacker could use this information to conduct additional reconnaissance attacks. The vulnerability is due to the interaction between Lightweight Directory Access Protocol (LDAP) and SSL Connection Profile when they are configured together. An attacker could exploit the vulnerability by performing a username enumeration attack to the IP address of the device. An exploit could allow the attacker to determine valid usernames. Cisco Bug IDs: CSCvd47888.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_confirm
https://quickview.cloudapps.cisco.com/quickview/bug/CSCvd47888
Vendor Advisory x_refsource_confirm
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802-asa2
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1039057
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/100113
Scores
CVSS v3
7.5
EPSS
0.0223
EPSS Percentile
80.6%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-200
Status
published
Products (3)
cisco/adaptive_security_appliance_software
9.3.3
cisco/adaptive_security_appliance_software
9.6.2
n/a/Cisco Adaptive Security Appliance
Cisco Adaptive Security Appliance
Published
Aug 07, 2017
Tracked Since
Feb 18, 2026