CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
52.7%
A vulnerability in the Internet Key Exchange version 1 (IKEv1) feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper management of system memory. An attacker could exploit this vulnerability by sending malicious IKEv1 traffic to an affected device. The attacker does not need valid credentials to authenticate the VPN session, nor does the attacker’s source address need to match a peer statement in the crypto map applied to the ingress interface of the affected device. An exploit could allow the attacker to exhaust system memory resources, leading to a reload of an affected device.
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | adaptive_security_appliance_software | * | cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* |
cisco | adaptive_security_appliance_software | * | cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* |
cisco | firepower_threat_defense | * | cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* |
cisco | asa_5505 | - | cpe:2.3:h:cisco:asa_5505:-:*:*:*:*:*:*:* |
cisco | asa_5505_firmware | 9.9(2.4) | cpe:2.3:o:cisco:asa_5505_firmware:9.9\(2.4\):*:*:*:*:*:*:* |
cisco | asa_5505_firmware | 201.4(1.21) | cpe:2.3:o:cisco:asa_5505_firmware:201.4\(1.21\):*:*:*:*:*:*:* |
cisco | asa_5510 | - | cpe:2.3:h:cisco:asa_5510:-:*:*:*:*:*:*:* |
cisco | asa_5510_firmware | 9.9(2.4) | cpe:2.3:o:cisco:asa_5510_firmware:9.9\(2.4\):*:*:*:*:*:*:* |
cisco | asa_5510_firmware | 201.4(1.21) | cpe:2.3:o:cisco:asa_5510_firmware:201.4\(1.21\):*:*:*:*:*:*:* |
cisco | asa_5512-x | - | cpe:2.3:h:cisco:asa_5512-x:-:*:*:*:*:*:*:* |
[
{
"product": "Cisco Adaptive Security Appliance (ASA) Software",
"vendor": "Cisco",
"versions": [
{
"lessThan": "n/a",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
52.7%