CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
Percentile
48.1%
A vulnerability in the Cisco Adaptive Security Appliance (ASA) Software implementation of access control list (ACL) permit and deny filters for ICMP echo reply messages could allow an unauthenticated, remote attacker to bypass ACL configurations for an affected device. ICMP traffic that should be denied may instead be allowed through an affected device.
The vulnerability is due to the implementation of ACL-based filters for ICMP echo requests and the range of ICMP echo request subtypes. An attacker could exploit this vulnerability by sending ICMP echo request traffic to an affected device. A successful exploit could allow the attacker to bypass ACL configurations for the device, which could allow traffic that should be denied to instead be allowed through the device.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160711-asa[“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160711-asa”]
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | adaptive_security_appliance_software | 8.2 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2:*:*:*:*:*:*:* |
cisco | adaptive_security_appliance_software | 8.3 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3:*:*:*:*:*:*:* |
cisco | adaptive_security_appliance_software | 8.4 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:* |
cisco | adaptive_security_appliance_software | 8.5 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5:*:*:*:*:*:*:* |
cisco | adaptive_security_appliance_software | 8.6 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.6:*:*:*:*:*:*:* |
cisco | adaptive_security_appliance_software | 8.7 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.7:*:*:*:*:*:*:* |
cisco | adaptive_security_appliance_software | 9.0 | cpe:2.3:o:cisco:adaptive_security_appliance_software:9.0:*:*:*:*:*:*:* |
cisco | adaptive_security_appliance_software | 9.1 | cpe:2.3:o:cisco:adaptive_security_appliance_software:9.1:*:*:*:*:*:*:* |
cisco | adaptive_security_appliance_software | 9.2 | cpe:2.3:o:cisco:adaptive_security_appliance_software:9.2:*:*:*:*:*:*:* |
cisco | adaptive_security_appliance_software | 9.3 | cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3:*:*:*:*:*:*:* |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
Percentile
48.1%