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Servers and applications

CVE-2005-3788

Race condition in Cisco Adaptive Security Appliance (ASA) 7.0(0), 7.0(2), and 7.0(4), when running with an Active/Standby configuration and when the failover LAN interface fails, allows remote attackers to cause a denial of service (standby firewall failure) by sending spoofed ARP responses from an IP address of an active firewall, which prevents the standby firewall from becoming active, aka…

Severity
Medium 5.4
Published
24 Nov 2005
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.6% in the next 30 daysHigher than 85% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · Only under certain conditions · No login needed
Attacker can
Take it down
CVSS vector
AV:N/AC:H/Au:N/C:N/I:N/A:C
Sources
NVD

Description

Race condition in Cisco Adaptive Security Appliance (ASA) 7.0(0), 7.0(2), and 7.0(4), when running with an Active/Standby configuration and when the failover LAN interface fails, allows remote attackers to cause a denial of service (standby firewall failure) by sending spoofed ARP responses from an IP address of an active firewall, which prevents the standby firewall from becoming active, aka "failover denial of service."

From NVD.

Affected software

SoftwareAffected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software
  • Version 7.0(0)
  • Version 7.0(2)
  • Version 7.0(4)

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2005-3788
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2005-3788