What is CVE-2017-6752?

CVE-2017-6752 is a high-severity vulnerability in Cisco Adaptive Security Appliance Software, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-08-07.

How severe is CVE-2017-6752?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Cisco Adaptive Security Appliance Software

CVE-2017-6752

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.

Vulnerability class: Information Disclosure

Published 2017-08-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.032 (87.8th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000

Affected products

Cisco Adaptive Security Appliance Software — versions 9.3.3, 9.6.2
Cisco Adaptive Security Appliance — versions Cisco Adaptive Security Appliance

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

quickview.cloudapps.cisco.com/quickview/bug/CSCvd47888 (Vendor Advisory)
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802… (Vendor Advisory)
www.securitytracker.com/id/1039057 (VDB Entry, Third Party Advisory, vdb-entry)
www.securityfocus.com/bid/100113 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-6752?: CVE-2017-6752 is a high-severity vulnerability in Cisco Adaptive Security Appliance Software, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-08-07.
How severe is CVE-2017-6752?: High severity. CVSS v3 base score is 7.5 out of 10.