CVE-2021-34792CWE-400CWE-401denial-of-service

CVE-2021-34792

High · published October 27, 2021

CVSS v3.1
8.6
EPSS
1%
Percentile
73.1
In the wild
Unconfirmed
What it is

A vulnerability in the memory management of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper resource management when connection rates are high. An attacker could exploit this vulnerability by opening a significant number of connections on an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01444 · 73.1th percentile
Weaknesses
CWE-400 · Uncontrolled Resource Consumption; CWE-401 · Missing Release of Memory after Effective Lifetime
Published
2021-10-27T23:15Z
Affected products (41)
ProductVersionsFixed in
cisco/secure_firewall_threat_defense≥ 6.4.0, < 6.4.0.136.4.0.13
cisco/secure_firewall_threat_defense≥ 6.6.0, < 6.6.56.6.5
cisco/secure_firewall_threat_defense≥ 6.7.0, < 6.7.0.36.7.0.3
cisco/secure_firewall_threat_defense≥ 7.0.0, < 7.0.17.0.1
cisco/adaptive_security_appliance_software≥ 9.8.0, < 9.8.4.409.8.4.40
cisco/adaptive_security_appliance_software≥ 9.12.0, < 9.12.4.299.12.4.29
cisco/adaptive_security_appliance_software≥ 9.14.0, < 9.14.3.99.14.3.9
cisco/adaptive_security_appliance_software≥ 9.15.0, < 9.15.1.179.15.1.17
cisco/adaptive_security_appliance_software≥ 9.16.0, < 9.16.2.39.16.2.3
cisco/asa_5512-x_firmwareall versions—
cisco/asa_5512-x_firmwareall versions—
cisco/asa_5512-x_firmwareall versions—
cisco/asa_5512-x_firmwareall versions—
cisco/asa_5505_firmwareall versions—
cisco/asa_5505_firmwareall versions—
cisco/asa_5505_firmwareall versions—
cisco/asa_5505_firmwareall versions—
cisco/asa_5515-x_firmwareall versions—
cisco/asa_5515-x_firmwareall versions—
cisco/asa_5515-x_firmwareall versions—
cisco/asa_5515-x_firmwareall versions—
cisco/asa_5525-x_firmwareall versions—
cisco/asa_5525-x_firmwareall versions—
cisco/asa_5525-x_firmwareall versions—
cisco/asa_5525-x_firmwareall versions—
cisco/asa_5545-x_firmwareall versions—
cisco/asa_5545-x_firmwareall versions—
cisco/asa_5545-x_firmwareall versions—
cisco/asa_5545-x_firmwareall versions—
cisco/asa_5555-x_firmwareall versions—
cisco/asa_5555-x_firmwareall versions—
cisco/asa_5555-x_firmwareall versions—
cisco/asa_5555-x_firmwareall versions—
cisco/asa_5580_firmwareall versions—
cisco/asa_5580_firmwareall versions—
cisco/asa_5580_firmwareall versions—
cisco/asa_5580_firmwareall versions—
cisco/asa_5585-x_firmwareall versions—
cisco/asa_5585-x_firmwareall versions—
cisco/asa_5585-x_firmwareall versions—
cisco/asa_5585-x_firmwareall versions—
References (2)
EPSS history
Timeline
  • 27 OCT 18:56Z
    Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Resource Exhaustion Denial of Service Vulnerability
    cvelistv5