CVE-2019-1705

Cisco Adaptive Security Appliance Software VPN Denial of Service Vulnerability

Description

A vulnerability in the remote access VPN session manager of Cisco Adaptive Security Appliance (ASA) Software could allow a unauthenticated, remote attacker to cause a denial of service (DoS) condition on the remote access VPN services. The vulnerability is due to an issue with the remote access VPN session manager. An attacker could exploit this vulnerability by requesting an excessive number of remote access VPN sessions. An exploit could allow the attacker to cause a DoS condition.

Remediation

Workaround:

  • Administrators can use the vpn-sessiondb logoff all command on the affected device to temporarily clear the condition or reboot the device.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.53%
Vendor Advisory cisco.com
Affected: Cisco Cisco Adaptive Security Appliance (ASA) Software
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-vpn-dos vendor advisory
http://www.securityfocus.com/bid/108151 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-1705?
CVE-2019-1705 has been scored as a medium severity vulnerability.
How to fix CVE-2019-1705?
As a workaround for remediating CVE-2019-1705: Administrators can use the vpn-sessiondb logoff all command on the affected device to temporarily clear the condition or reboot the device.
Is CVE-2019-1705 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-1705 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-1705?
CVE-2019-1705 affects Cisco Cisco Adaptive Security Appliance (ASA) Software.
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