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Servers and applications

CVE-2018-15398

A vulnerability in the per-user-override feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass an access control list (ACL) that is configured for an interface of an affected device. The vulnerability is due to errors that could occur when the affected software constructs and applies…

Severity
Medium 4.0
Published
5 Oct 2018
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.9% in the next 30 daysHigher than 79% 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
  • Version 9.4(2)
  • Version 9.4(4)

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-15398
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-15398