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Servers and applications

CVE-2017-12246

A vulnerability in the implementation of the direct authentication feature in Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition. The vulnerability is due to incomplete input validation of the HTTP header. An attacker could exploit this vulnerability…

Severity
High 8.6
Published
5 Oct 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
6.5% in the next 30 daysHigher than 93% of CVEs. EPSS by FIRST, 11 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(3)
  • Version 9.7(1)
  • Version 9.8(0.56)

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-12246
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-12246