CVE-2020-3564
published 2020-10-21CVE-2020-3564: A vulnerability in the FTP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow…
PriorityP432medium5.3CVSS 3.1
AVNACLPRNUINSUCNILAN
EPSS
1.34%
71.1th percentile
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.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | adaptive_security_appliance | < 9.6 | 9.6 |
| cisco | adaptive_security_appliance | — | — |
| cisco | adaptive_security_appliance_software | >= 9.10.0 < 9.10.1.44 | 9.10.1.44 |
| cisco | adaptive_security_appliance_software | >= 9.12.0 < 9.12.4.4 | 9.12.4.4 |
| cisco | adaptive_security_appliance_software | >= 9.13.0 < 9.13.1.13 | 9.13.1.13 |
| cisco | adaptive_security_appliance_software | >= 9.14.0 < 9.14.1.19 | 9.14.1.19 |
| cisco | adaptive_security_appliance_software | >= 9.8.0 < 9.8.4.26 | 9.8.4.26 |
| cisco | adaptive_security_appliance_software | >= 9.9.0 < 9.9.2.80 | 9.9.2.80 |
| cisco | cisco_adaptive_security_appliance_software | — | — |
| cisco | secure_firewall_threat_defense | < 6.3.0.6 | 6.3.0.6 |
| cisco | secure_firewall_threat_defense | >= 6.4.0 < 6.4.0.10 | 6.4.0.10 |
| cisco | secure_firewall_threat_defense | >= 6.5.0 < 6.5.0.5 | 6.5.0.5 |
| cisco | secure_firewall_threat_defense | >= 6.6.0 < 6.6.1 | 6.6.1 |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
nvdv3.05.8MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
vendor_cisco5.8MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Cisco
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software FTP Inspection Bypass Vulnerability
vendor_cisco·2020-10-21·CVSS 5.8
CVE-2020-3564 [MEDIUM] CWE-284 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software FTP Inspection Bypass Vulnerability
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software FTP Inspection Bypass Vulnerability
Update from October 22nd, 2020: Cisco has become aware of a new Cisco Adaptive Security Appliance vulnerability that could affect the fixed releases recommended for code trains 9.13 and 9.14 in the Fixed Software section of this advisory. See the Cisco Adaptive Security Appliance Software SSL/TLS Denial of Service Vulnerability for additional information.
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
Cisco
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software FTP Inspection Bypass Vulnerability
vendor_cisco·CVSS 3.0
CVE-2020-3564 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software FTP Inspection Bypass Vulnerability
CVE-2020-3564: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software FTP Inspection Bypass Vulnerability
Update from October 22nd, 2020 : Cisco has become aware of a new Cisco Adaptive Security Appliance vulnerability that could affect the fixed releases recommended for code trains 9.13 and 9.14 in the Fixed Software section of this advisory. See the Cisco Adaptive Security Appliance Software SSL/TLS Denial of Service Vulnerability for additional information. 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
GHSA
GHSA-67g9-87g9-j8g9: A vulnerability in the FTP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software cou
ghsa_unreviewed·2022-05-24
CVE-2020-3564 [MEDIUM] CWE-269 GHSA-67g9-87g9-j8g9: A vulnerability in the FTP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software cou
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2020-10-21
Published