CVE-2019-1710: Cisco IOS XR 64-Bit Software for Cisco ASR 9000 Series Aggregation Services Routers Network Isolation Vulnerability
First published: Wed Apr 17 2019(Updated: )
A vulnerability in the sysadmin virtual machine (VM) on Cisco ASR 9000 Series Aggregation Services Routers running Cisco IOS XR 64-bit Software could allow an unauthenticated, remote attacker to access internal applications running on the sysadmin VM. The vulnerability is due to incorrect isolation of the secondary management interface from internal sysadmin applications. An attacker could exploit this vulnerability by connecting to one of the listening internal applications. A successful exploit could result in unstable conditions, including both a denial of service and remote unauthenticated access to the device. This vulnerability has been fixed in Cisco IOS XR 64-bit Software Release 6.5.3 and 7.0.1, which will edit the calvados_boostrap.cfg file and reload the device.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XR | <6.5.3 | |
| Cisco IOS XR | >=7.0<7.0.1 | |
| Cisco ASR 9000 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-1710?
CVE-2019-1710 is a vulnerability in the sysadmin virtual machine (VM) on Cisco ASR 9000 Series Aggregation Services Routers running Cisco IOS XR 64-bit Software that allows an unauthenticated, remote attacker to access internal applications running on the sysadmin VM.
How does CVE-2019-1710 affect Cisco ASR 9000 Series Aggregation Services Routers?
CVE-2019-1710 affects Cisco ASR 9000 Series Aggregation Services Routers running Cisco IOS XR 64-bit Software versions up to 6.5.3 or versions between 7.0 and 7.0.1.
What is the severity of CVE-2019-1710?
CVE-2019-1710 has a severity rating of 9.8 (Critical).
How can an attacker exploit CVE-2019-1710?
An unauthenticated, remote attacker can exploit CVE-2019-1710 by accessing internal applications running on the sysadmin VM.
Are there any fixes or patches available for CVE-2019-1710?
Yes, Cisco has released security advisories with fixes for CVE-2019-1710. Please refer to the references provided for more information.
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