UpHeron
All vulnerabilities

Servers and applications

CVE-2015-6327

The IKEv1 implementation in Cisco Adaptive Security Appliance (ASA) software 7.2 and 8.2 before 8.2(5.58), 8.3 and 8.4 before 8.4(7.29), 8.5 through 8.7 before 8.7(1.17), 9.0 before 9.0(4.37), 9.1 before 9.1(6.8), 9.2 before 9.2(4), and 9.3 before 9.3(3) allows remote attackers to cause a denial of service (device reload) via crafted ISAKMP UDP packets, aka Bug ID CSCus94026.

Severity
High 7.8
Published
25 Oct 2015
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.2% in the next 30 daysHigher than 82% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
CWE-399
Attack
Over the network · No login needed
Attacker can
Take it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • Version 9.3.2.2
  • Version 9.3.2
  • Version 9.3.1.1
  • Version 9.3.1
All 174 release lines
  • Version 7.2.1
  • Version 7.2.1.9
  • Version 7.2.1.13
  • Version 7.2.1.19
  • Version 7.2.1.24
  • Version 7.2.2
  • Version 7.2.2.6
  • Version 7.2.2.10
  • Version 7.2.2.14
  • Version 7.2.2.18
  • Version 7.2.2.19
  • Version 7.2.2.22
  • Version 7.2.2.34
  • Version 7.2.3
  • Version 7.2.3.1
  • Version 7.2.3.12
  • Version 7.2.3.16
  • Version 7.2.4
  • Version 7.2.4.6
  • Version 7.2.4.9
  • Version 7.2.4.18
  • Version 7.2.4.25
  • Version 7.2.4.27
  • Version 7.2.4.30
  • Version 7.2.4.33
  • Version 7.2.5
  • Version 7.2.5.2
  • Version 7.2.5.4
  • Version 7.2.5.7
  • Version 7.2.5.8
  • Version 7.2.5.10
  • Version 7.2.5.12
  • Version 7.2.5.16
  • Version 8.2.0.45
  • Version 8.2.1
  • Version 8.2.1.11
  • Version 8.2.2
  • Version 8.2.2.9
  • Version 8.2.2.10
  • Version 8.2.2.12
  • Version 8.2.2.16
  • Version 8.2.2.17
  • Version 8.2.3
  • Version 8.2.4
  • Version 8.2.4.1
  • Version 8.2.4.4
  • Version 8.2.5
  • Version 8.2.5.13
  • Version 8.2.5.22
  • Version 8.2.5.26
  • Version 8.2.5.33
  • Version 8.2.5.40
  • Version 8.2.5.41
  • Version 8.2.5.46
  • Version 8.2.5.48
  • Version 8.2.5.50
  • Version 8.2.5.52
  • Version 8.2.5.55
  • Version 8.2.5.57
  • Version 8.3.1
  • Version 8.3.1.1
  • Version 8.3.1.4
  • Version 8.3.1.6
  • Version 8.3.2
  • Version 8.3.2.4
  • Version 8.3.2.13
  • Version 8.3.2.23
  • Version 8.3.2.25
  • Version 8.3.2.31
  • Version 8.3.2.33
  • Version 8.3.2.34
  • Version 8.3.2.37
  • Version 8.3.2.39
  • Version 8.3.2.40
  • Version 8.3.2.41
  • Version 8.3.2.44
  • Version 8.4.1
  • Version 8.4.1.3
  • Version 8.4.1.11
  • Version 8.4.2
  • Version 8.4.2.1
  • Version 8.4.2.8
  • Version 8.4.3
  • Version 8.4.3.8
  • Version 8.4.3.9
  • Version 8.4.4
  • Version 8.4.4.1
  • Version 8.4.4.3
  • Version 8.4.4.5
  • Version 8.4.4.9
  • Version 8.4.5
  • Version 8.4.5.6
  • Version 8.4.6
  • Version 8.4.7
  • Version 8.4.7.3
  • Version 8.4.7.15
  • Version 8.4.7.22
  • Version 8.4.7.23
  • Version 8.4.7.26
  • Version 8.4.7.28
  • Version 8.5.1
  • Version 8.5.1.1
  • Version 8.5.1.6
  • Version 8.5.1.7
  • Version 8.5.1.14
  • Version 8.5.1.17
  • Version 8.5.1.18
  • Version 8.5.1.19
  • Version 8.5.1.21
  • Version 8.5.1.24
  • Version 8.6.1
  • Version 8.6.1.1
  • Version 8.6.1.2
  • Version 8.6.1.5
  • Version 8.6.1.10
  • Version 8.6.1.12
  • Version 8.6.1.13
  • Version 8.6.1.14
  • Version 8.6.1.17
  • Version 8.7.1
  • Version 8.7.1.1
  • Version 8.7.1.3
  • Version 8.7.1.4
  • Version 8.7.1.7
  • Version 8.7.1.8
  • Version 8.7.1.11
  • Version 8.7.1.13
  • Version 8.7.1.16
  • Version 9.0.1
  • Version 9.0.2
  • Version 9.0.2.10
  • Version 9.0.3
  • Version 9.0.3.6
  • Version 9.0.3.8
  • Version 9.0.4
  • Version 9.0.4.1
  • Version 9.0.4.5
  • Version 9.0.4.7
  • Version 9.0.4.17
  • Version 9.0.4.20
  • Version 9.0.4.24
  • Version 9.0.4.26
  • Version 9.0.4.29
  • Version 9.0.4.33
  • Version 9.0.4.35
  • Version 9.1.1
  • Version 9.1.1.4
  • Version 9.1.2
  • Version 9.1.2.8
  • Version 9.1.3
  • Version 9.1.3.2
  • Version 9.1.4
  • Version 9.1.4.5
  • Version 9.1.5
  • Version 9.1.5.10
  • Version 9.1.5.12
  • Version 9.1.5.15
  • Version 9.1.5.21
  • Version 9.1.6
  • Version 9.1.6.1
  • Version 9.1.6.4
  • Version 9.1.6.6
  • Version 9.2.1
  • Version 9.2.2
  • Version 9.2.2.4
  • Version 9.2.2.7
  • Version 9.2.2.8
  • Version 9.2.3
  • Version 9.2.3.3
  • Version 9.2.3.4
  • Version 9.3.1
  • Version 9.3.1.1
  • Version 9.3.2
  • Version 9.3.2.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-6327
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-6327