CVE-2021-34704CWE-121CWE-787

CVE-2021-34704

High · published January 12, 2022

CVSS v3.1
8.6
EPSS
1%
Percentile
70.6
In the wild
Unconfirmed
What it is

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper input validation when parsing HTTPS requests. An attacker could exploit this vulnerability by sending a malicious HTTPS request to 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
0.01318 · 70.6th percentile
Weaknesses
CWE-121 · Stack-based Buffer Overflow; CWE-787 · Out-of-bounds Write
Published
2022-01-12T00:15Z
Affected products (4)
ProductVersionsFixed in
cisco/secure_firewall_threat_defense≥ 6.7.0, < 6.7.0.36.7.0.3
cisco/secure_firewall_threat_defenseall versions—
cisco/adaptive_security_appliance_software≥ 9.15, < 9.15.1.179.15.1.17
cisco/adaptive_security_appliance_software≥ 9.16, < 9.16.29.16.2
References (2)
EPSS history
Timeline
  • 11 JAN 18:50Z
    Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Denial of Service Vulnerability
    cvelistv5