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Servers and applications

CVE-2019-12673

A vulnerability in the FTP inspection engine of Cisco Adaptive Security (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient validation of FTP data. An attacker could exploit this vulnerability by sending malicious FTP traffic…

Severity
High 7.5
Published
2 Oct 2019
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.6.4.34, 9.8.4.10, 9.9.2.56, 9.10.1.30, 9.12.2.5
Exploit chance
1.8% in the next 30 daysHigher than 78% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:a:cisco:adaptive_security_appliance
  • Every version before 9.6.4.34
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • From 9.7 before 9.8.4.10
  • From 9.9 before 9.9.2.56
  • From 9.10 before 9.10.1.30
  • From 9.12 before 9.12.2.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-12673
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-12673