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Servers and applications

CVE-2018-0231

A vulnerability in the Transport Layer Security (TLS) library 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 the affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient validation of user-supplied input. An attacker…

Severity
High 8.6
Published
19 Apr 2018
Last changed
11 Aug 2026
Added to UpHeron
1 Nov 2026
Exploit chance
4.4% in the next 30 daysHigher than 91% 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 9.8(1)
  • Version 98.1(1.154)

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-0231
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-0231