A vulnerability in the implementation of the direct authentication feature in Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition
Published Oct 5, 2017
8.6
HIGHCVSS 3.0
EPSS 6.54%
Description
A vulnerability in the implementation of the direct authentication feature in Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition. The vulnerability is due to incomplete input validation of the HTTP header. An attacker could exploit this vulnerability by sending a crafted HTTP request to the local IP address of an affected device. A successful exploit could allow the attacker to cause the affected device to reload. This vulnerability affects Cisco Adaptive Security Appliance (ASA) Software that is running on the following Cisco products: ASA 5500 Series Adaptive Security Appliances, ASA 5500-X Series Next-Generation Firewalls, ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers, ASA 1000V Cloud Firewall, Adaptive Security Virtual Appliance (ASAv), Firepower 4110 Security Appliance, Firepower 9300 ASA Security Module, ISA 3000 Industrial Security Appliance. Cisco Bug IDs: CSCvd59063.
Affected products
- Vendor n/a Product Cisco Adaptive Security Appliance Software Defaultn/a
- Version Cisco Adaptive Security Appliance SoftwareStatusaffectedConstraints-
- 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 Software | n/a |
|
- 9.4\(3\)
- 9.7\(1\)
- 9.8\(0.56\)
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:C/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:C
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 (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.54% (0.06541) | 93.60th | v5 (v2026.06.15) |
| Sep 22, 2026 | 6.54% (0.06541) | 93.49th | v5 (v2026.06.15) |
| Sep 21, 2026 | 5.18% (0.05183) | 92.12th | v5 (v2026.06.15) |
| Sep 6, 2026 | 6.54% (0.06541) | 93.34th | v5 (v2026.06.15) |
| Sep 5, 2026 | 5.18% (0.05183) | 91.95th | v5 (v2026.06.15) |
| Aug 30, 2026 | 6.54% (0.06541) | 93.31th | v5 (v2026.06.15) |
| Aug 28, 2026 | 5.18% (0.05183) | 91.90th | v5 (v2026.06.15) |
| Aug 24, 2026 | 6.54% (0.06541) | 93.27th | v5 (v2026.06.15) |
| Aug 23, 2026 | 5.18% (0.05183) | 91.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.54% (0.06541) | 92.91th | v5 (v2026.06.15) |
| Aug 3, 2025 | 3.29% (0.03293) | 86.80th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.15% (0.02145) | 83.05th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.16% (0.00160) | 53.93th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.16% (0.00160) | 52.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00160) | 50.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.30% (0.01300) | 31.12th | v1 |
| Jan 6, 2022 | 1.30% (0.01300) | 30.48th | v1 |
| Sep 1, 2021 | 1.30% (0.01300) | 69.44th | v1 |
| Apr 14, 2021 | 1.30% (0.01300) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/101165 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039503 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-asa x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101165 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039503 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-asa | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.