CVE-2020-3564CWE-284CWE-436broken-access-control

CVE-2020-3564

Medium · published October 21, 2020

CVSS v3.1
5.3
EPSS
1%
Percentile
71.1
In the wild
Unconfirmed
What it is

A vulnerability in the FTP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass FTP inspection. The vulnerability is due to ineffective flow tracking of FTP traffic. An attacker could exploit this vulnerability by sending crafted FTP traffic through an affected device. A successful exploit could allow the attacker to bypass FTP inspection and successfully complete FTP connections.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.01341 · 71.1th percentile
Weaknesses
CWE-284 · Improper Access Control; CWE-436 · Interpretation Conflict
Published
2020-10-21T23:15Z
Affected products (11)
ProductVersionsFixed in
cisco/adaptive_security_appliance< 9.69.6
cisco/secure_firewall_threat_defense< 6.3.0.66.3.0.6
cisco/secure_firewall_threat_defense≥ 6.4.0, < 6.4.0.106.4.0.10
cisco/secure_firewall_threat_defense≥ 6.5.0, < 6.5.0.56.5.0.5
cisco/secure_firewall_threat_defense≥ 6.6.0, < 6.6.16.6.1
cisco/adaptive_security_appliance_software≥ 9.8.0, < 9.8.4.269.8.4.26
cisco/adaptive_security_appliance_software≥ 9.9.0, < 9.9.2.809.9.2.80
cisco/adaptive_security_appliance_software≥ 9.10.0, < 9.10.1.449.10.1.44
cisco/adaptive_security_appliance_software≥ 9.12.0, < 9.12.4.49.12.4.4
cisco/adaptive_security_appliance_software≥ 9.13.0, < 9.13.1.139.13.1.13
cisco/adaptive_security_appliance_software≥ 9.14.0, < 9.14.1.199.14.1.19
References (2)
EPSS history
Timeline
  • 21 OCT 18:40Z
    Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software FTP Inspection Bypass Vulnerability
    cvelistv5