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Junos Denial of Service Vulnerability for New Dynamic VPN Connections
Information
Severity
Severity
Medium
Family
Family
JunOS Local Security Checks
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
9 years ago
Modified
Modified
5 years ago
Summary
Denial of Service Vulnerability for new dynamic VPN connections.
Insight
Insight
On Branch SRX Series service gateways, when Dynamic IPsec VPN is configured, a remote unauthenticated user may cause a denial of service condition where new Dynamic VPN connections may fail for other users. This issue may also lead to high CPU consumption and disk usage which may cause other complications.
Affected Software
Affected Software
Junos OS 11.4 and 12.1.
Detection Method
Detection Method
Checks if a vulnerable OS build is present on the target host.
Solution
Solution
New builds of Junos OS software are available from Juniper. As a workaround disable dynamic IPSec VPN.