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
- 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.
Affected software
| Software | Affected versions |
|---|---|
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software |
All 23 release lines
|