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CVE-2017-6609

UnknownEPSS 2.84%

Last modified

CVE-2017-6609 is a vulnerability of currently unknown severity. A vulnerability in the IPsec code of Cisco ASA Software could allow an authenticated, remote attacker to cause a reload of the affected system. The vulnerability is due to improper parsing of malformed IPsec packets. EPSS estimates a 2.84% chance of exploitation in the next 30 days.

Description

A vulnerability in the IPsec code of Cisco ASA Software could allow an authenticated, remote attacker to cause a reload of the affected system. The vulnerability is due to improper parsing of malformed IPsec packets. An attacker could exploit this vulnerability by sending malformed IPsec packets to the affected system. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability affects systems configured in routed firewall mode only and in single or multiple context mode. This vulnerability can be triggered by IPv4 and IPv6 traffic. An attacker needs to establish a valid IPsec tunnel before exploiting this vulnerability. This vulnerability affects Cisco ASA Software running on the following products: Cisco ASA 1000V Cloud Firewall, Cisco ASA 5500 Series Adaptive Security Appliances, Cisco ASA 5500-X Series Next-Generation Firewalls, Cisco ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers, Cisco Adaptive Security Virtual Appliance (ASAv), Cisco Firepower 9300 ASA Security Module, Cisco ISA 3000 Industrial Security Appliance. Fixed versions: 9.1(7.8) 9.2(4.15) 9.4(4) 9.5(3.2) 9.6(2). Cisco Bug IDs: CSCun16158.

Metrics

EPSS Probability
2.84%

84.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoAdaptive Security Appliance Software9.0.1
CiscoAdaptive Security Appliance Software9.0.2
CiscoAdaptive Security Appliance Software9.0.2.10
CiscoAdaptive Security Appliance Software9.0.3
CiscoAdaptive Security Appliance Software9.0.3.6
CiscoAdaptive Security Appliance Software9.0.3.8
CiscoAdaptive Security Appliance Software9.0.4
CiscoAdaptive Security Appliance Software9.0.4.1
CiscoAdaptive Security Appliance Software9.0.4.5
CiscoAdaptive Security Appliance Software9.0.4.7
CiscoAdaptive Security Appliance Software9.0.4.17
CiscoAdaptive Security Appliance Software9.0.4.20
CiscoAdaptive Security Appliance Software9.0.4.24
CiscoAdaptive Security Appliance Software9.0.4.26
CiscoAdaptive Security Appliance Software9.0.4.29
CiscoAdaptive Security Appliance Software9.0.4.33
CiscoAdaptive Security Appliance Software9.0.4.35
CiscoAdaptive Security Appliance Software9.0.4.37
CiscoAdaptive Security Appliance Software9.0.4.40
CiscoAdaptive Security Appliance Software9.0.4.42
CiscoAdaptive Security Appliance Software9.1\(7\)4
CiscoAdaptive Security Appliance Software9.1\(7\)6
CiscoAdaptive Security Appliance Software9.1\(7\)7
CiscoAdaptive Security Appliance Software9.1.1
CiscoAdaptive Security Appliance Software9.1.1.4
CiscoAdaptive Security Appliance Software9.1.2
CiscoAdaptive Security Appliance Software9.1.2.8
CiscoAdaptive Security Appliance Software9.1.3
CiscoAdaptive Security Appliance Software9.1.3.2
CiscoAdaptive Security Appliance Software9.1.4
CiscoAdaptive Security Appliance Software9.1.4.5
CiscoAdaptive Security Appliance Software9.1.5
CiscoAdaptive Security Appliance Software9.1.5.10
CiscoAdaptive Security Appliance Software9.1.5.12
CiscoAdaptive Security Appliance Software9.1.5.15
CiscoAdaptive Security Appliance Software9.1.5.21
CiscoAdaptive Security Appliance Software9.1.6
CiscoAdaptive Security Appliance Software9.1.6.1
CiscoAdaptive Security Appliance Software9.1.6.4
CiscoAdaptive Security Appliance Software9.1.6.6
CiscoAdaptive Security Appliance Software9.1.6.8
CiscoAdaptive Security Appliance Software9.1.6.10
CiscoAdaptive Security Appliance Software9.2\(0.0\)
CiscoAdaptive Security Appliance Software9.2\(0.104\)
CiscoAdaptive Security Appliance Software9.2\(3.1\)
CiscoAdaptive Security Appliance Software9.2.1
CiscoAdaptive Security Appliance Software9.2.2
CiscoAdaptive Security Appliance Software9.2.2.4
CiscoAdaptive Security Appliance Software9.2.2.7
CiscoAdaptive Security Appliance Software9.2.2.8

Showing 50 of 106 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-6609?
A vulnerability in the IPsec code of Cisco ASA Software could allow an authenticated, remote attacker to cause a reload of the affected system. The vulnerability is due to improper parsing of malformed IPsec packets. An attacker could exploit this vulnerability by sending malformed IPsec packets to the affected system. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability affects systems configured in routed firewall mode only and in single or multiple context mode. This vulnerability can be triggered by IPv4 and IPv6 traffic. An attacker needs to establish a valid IPsec tunnel before exploiting this vulnerability. This vulnerability affects Cisco ASA Software running on the following products: Cisco ASA 1000V Cloud Firewall, Cisco ASA 5500 Series Adaptive Security Appliances, Cisco ASA 5500-X Series Next-Generation Firewalls, Cisco ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers, Cisco Adaptive Security Virtual Appliance (ASAv), Cisco Firepower 9300 ASA Security Module, Cisco ISA 3000 Industrial Security Appliance. Fixed versions: 9.1(7.8) 9.2(4.15) 9.4(4) 9.5(3.2) 9.6(2). Cisco Bug IDs: CSCun16158.
How severe is CVE-2017-6609?
Severity scoring for CVE-2017-6609 is pending analysis. The EPSS model estimates a 2.84% probability of exploitation in the next 30 days.
How do I fix CVE-2017-6609?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST