All vulnerabilities

Servers and applications

CVE-2019-15256

A vulnerability in the Internet Key Exchange version 1 (IKEv1) feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper management of system memory. An attacker could…

Severity
High 8.6
Published
2 Oct 2019
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.9.2.47, 9.10.1.30, 9.12.2.5
Exploit chance
2% in the next 30 daysHigher than 80% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • From 9.9 before 9.9.2.47
  • 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-2019-15256
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-15256