QID 317404

QID 317404: Cisco Adaptive Security Appliance (ASA) Denial of Service (DoS) Vulnerability (cisco-sa-asaftd-ssl-dos-kxG8mpUA)

A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

Affected Products
9.16.1 prior to 9.16.4.14
9.17.1 prior to 9.17.1.30
9.18.1 prior to 9.18.2.8
9.19.1 prior to 9.19.1.5
Note: This QID does not check for ASA configured with Anyconnect VPN

QID Detection Logic (Authenticated):
The check matches Cisco ASA OS version retrieved via Unix Auth using version command.

A successful exploit could allow the attacker to eventually deplete the available session handler pool, preventing new sessions from being established and causing a DoS condition.

CVSS V3 rated as Critical - 8.6 severity.

CVSS V2 rated as Medium - 5.4 severity.

Solution

Customers are advised to refer to cisco-sa-asaftd-ssl-dos-kxG8mpUA for more information.

Vendor References

cisco-sa-asaftd-ssl-dos-kxG8mpUA - sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ssl-dos-kxG8mpUA

CVEs related to QID 317404

CVE-2023-20042 |

Software Advisories

Advisory ID	Software	Component	Link
cisco-sa-asaftd-ssl-dos-kxG8mpUA			sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ssl-dos-kxG8mpUA

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