All vulnerabilities

Servers and applications

CVE-2015-0675

The failover ipsec implementation in Cisco Adaptive Security Appliance (ASA) Software 9.1 before 9.1(6), 9.2 before 9.2(3.3), and 9.3 before 9.3(3) does not properly validate failover communication messages, which allows remote attackers to reconfigure an ASA device, and consequently obtain administrative control, by sending crafted UDP packets over the local network to the failover interface,…

Severity
High 8.3
Published
13 Apr 2015
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1% in the next 30 daysHigher than 61% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Improper access control (CWE-284)
Attack
From the same local network · No login needed
Attacker can
Read data · Change data · Take it down
CVSS vector
AV:A/AC:L/Au:N/C:C/I:C/A:C
Sources
NVD

Description

The failover ipsec implementation in Cisco Adaptive Security Appliance (ASA) Software 9.1 before 9.1(6), 9.2 before 9.2(3.3), and 9.3 before 9.3(3) does not properly validate failover communication messages, which allows remote attackers to reconfigure an ASA device, and consequently obtain administrative control, by sending crafted UDP packets over the local network to the failover interface, aka Bug ID CSCur21069.

From 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 23 release lines
  • 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 9.2.1
  • Version 9.2.2
  • Version 9.2.2.4
  • Version 9.2.2.7
  • Version 9.2.2.8
  • Version 9.2.3
  • Version 9.3.1
  • Version 9.3.1.1
  • Version 9.3.2
  • Version 9.3.2.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-0675
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-0675