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
Published Aug 7, 2017
7.5
HIGHCVSS 3.0
EPSS 3.21%
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.
Affected products
- Vendor n/a Product Cisco Adaptive Security Appliance Defaultn/a
- Version Cisco Adaptive Security ApplianceStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Cisco Adaptive Security Appliance | n/a |
|
- 9.3.3
- 9.6.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.21% (0.03213) | 87.75th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.23% (0.02234) | 80.42th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.82% (0.00816) | 72.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.17% (0.00166) | 54.61th | v3 (v2023.03.01) |
| May 23, 2023 | 0.17% (0.00166) | 51.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.23% (0.00234) | 59.67th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.39% (0.01386) | 32.11th | v1 |
| Jan 6, 2022 | 1.39% (0.01386) | 31.37th | v1 |
| Sep 1, 2021 | 1.39% (0.01386) | 70.95th | v1 |
| Apr 14, 2021 | 1.39% (0.01386) | 0.00th | v1 |
References (4)
- http://www.securityfocus.com/bid/100113 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039057 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://quickview.cloudapps.cisco.com/quickview/bug/CSCvd47888 x_refsource_CONFIRMVendor Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802-asa2 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/100113 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039057 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://quickview.cloudapps.cisco.com/quickview/bug/CSCvd47888 | x_refsource_CONFIRMVendor Advisory | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802-asa2 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.