Cisco Security Advisory
Cisco SD-WAN vManage Software Information Disclosure Vulnerability
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CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:X
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A vulnerability in the cluster management interface of Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. To be affected by this vulnerability, the vManage software must be in cluster mode.
This vulnerability is due to the absence of authentication for sensitive information in the cluster management interface. An attacker could exploit this vulnerability by sending a crafted request to the cluster management interface of an affected system. A successful exploit could allow the attacker to view sensitive information on the affected system.
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-sdwan-vmaninfdis3-OvdR6uu8
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Vulnerable Products
At the time of publication, this vulnerability affected the following Cisco SD-WAN vManage Software releases:
- Earlier than Release 20.3.1 as well as releases 20.3.2 and 20.3.3
- Earlier than Release 20.4.1 as well as releases 20.4.1.2 and 20.4.2
- Release 20.5.1
See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory are known to be affected by this vulnerability.
Cisco has confirmed that this vulnerability does not affect the following Cisco products:
- IOS XE SD-WAN Software
- SD-WAN vBond Orchestrator Software
- SD-WAN vEdge Cloud Routers
- SD-WAN vEdge Routers
- SD-WAN vSmart Controller Software
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There are no workarounds that address this vulnerability.
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When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page, to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
Fixed Releases
At the time of publication, the following releases of Cisco SD-WAN vManage Software contained the fix for this vulnerability:
- Release 20.3.1
- Release 20.4.1
See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.
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The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
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This vulnerability was found during internal security testing.
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To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
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Show LessVersion Description Section Status Date 1.1 Updated Affected Products and Fixed Software sections. Affected Products, Fixed Software Final 2021-JUL-07 1.0 Initial public release. - Final 2021-MAY-05
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