QID 317256

Date Published: 2022-11-09

QID 317256: Cisco Email Security Appliance (ESA) Denial of Service (DoS) Vulnerability (cisco-sa-esa-dos-gdghHmbV)

A vulnerability in Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated remote attacker to cause a denial of service (DoS) condition on an affected device.

Affected Versions:
This vulnerability affects Cisco AsyncOS Software for Cisco ESA Release .

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

A successful exploit could allow the attacker to cause the device to drop new TLS email messages that come from the associated email servers.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as High - 7.8 severity.
  • Solution

    Customers are advised to refer to cisco-sa-esa-dos-gdghHmbV for more information.

    CVEs related to QID 317256

    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-esa-dos-gdghHmbV URL Logo tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-dos-gdghHmbV