UpHeron
All vulnerabilities

Servers and applications

CVE-2020-3436

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to upload arbitrary-sized files to specific folders on an affected device, which could lead to an unexpected device reload. The vulnerability exists because the affected software does not efficiently handle the…

Severity
High 8.6
Published
21 Oct 2020
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.8.4.25, 9.9.2.80, 9.10.1.44, 9.12.4.2, 9.13.1.12, 9.14.1.15
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:a:cisco:adaptive_security_appliance
  • Every version before 9.6.4.45
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • From 9.8.0 before 9.8.4.25
  • From 9.9.0 before 9.9.2.80
  • From 9.10.0 before 9.10.1.44
  • From 9.12.0 before 9.12.4.2
  • From 9.13.0 before 9.13.1.12
  • From 9.14.0 before 9.14.1.15

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-3436
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-3436