CVE-2019-1693: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability
First published: Fri May 03 2019(Updated: )
A vulnerability in the WebVPN service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper management of authenticated sessions in the WebVPN portal. An attacker could exploit this vulnerability by authenticating with valid credentials and accessing a specific URL in the WebVPN portal. A successful exploit could allow the attacker to cause the device to reload, resulting in a temporary DoS condition.
Credit: ykramarz@cisco.com ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Adaptive Security Appliance Software | <9.4.4.34 | |
| Cisco Adaptive Security Appliance Software | >=9.5<9.6.4.25 | |
| Cisco Adaptive Security Appliance Software | >=9.7<9.8.4 | |
| Cisco Adaptive Security Appliance Software | >=9.9<9.9.2.50 | |
| Cisco Adaptive Security Appliance Software | >=9.10<9.10.1.17 | |
| Cisco Asa 5505 | ||
| Cisco Asa 5510 | ||
| Cisco Asa 5512-x | ||
| Cisco Asa 5515-x | ||
| Cisco Asa 5520 | ||
| Cisco Asa 5525-x | ||
| Cisco Asa 5540 | ||
| Cisco Asa 5545-x | ||
| Cisco Asa 5550 | ||
| Cisco Asa 5555-x | ||
| Cisco Asa 5580 | ||
| Cisco Asa 5585-x | ||
| Cisco Firepower Threat Defense | >=6.2.1<6.2.3.12 | |
| Cisco Firepower Threat Defense | >=6.3.0<6.3.0.3 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-1693?
CVE-2019-1693 is a vulnerability in the WebVPN service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software.
What is the severity of CVE-2019-1693?
The severity of CVE-2019-1693 is rated as high.
How does CVE-2019-1693 impact affected devices?
CVE-2019-1693 could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
Which software versions are affected by CVE-2019-1693?
Cisco Adaptive Security Appliance (ASA) Software versions up to 9.4.4.34, 9.6.4.25 to 9.9.2.50, and 9.10.1.17 to 9.10 are affected.
How can I fix CVE-2019-1693?
To fix CVE-2019-1693, it is recommended to upgrade to a fixed software release.
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- agent/references
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- agent/softwarecombine
- collector/mitre-cve
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- agent/last-modified-date
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- vendor/cisco
- canonical/cisco adaptive security appliance software
- version/cisco adaptive security appliance software/9.5
- version/cisco adaptive security appliance software/9.7
- version/cisco adaptive security appliance software/9.9
- version/cisco adaptive security appliance software/9.10
- canonical/cisco asa 5505
- canonical/cisco asa 5510
- canonical/cisco asa 5512-x
- canonical/cisco asa 5515-x
- canonical/cisco asa 5520
- canonical/cisco asa 5525-x
- canonical/cisco asa 5540
- canonical/cisco asa 5545-x
- canonical/cisco asa 5550
- canonical/cisco asa 5555-x
- canonical/cisco asa 5580
- canonical/cisco asa 5585-x
- canonical/cisco firepower threat defense
- version/cisco firepower threat defense/6.2.1
- version/cisco firepower threat defense/6.3.0