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AUSCERT External Security Bulletin Redistribution
ESB-2021.0145
Cisco Enterprise NFV Infrastructure Software Cross-Site
Scripting Vulnerability
14 January 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Enterprise NFVIS devices
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Cross-site Scripting -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-1127
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nfvis-xss-smsz5Vhb
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Cisco Enterprise NFV Infrastructure Software Cross-Site Scripting Vulnerability
Priority: Medium
Advisory ID: cisco-sa-nfvis-xss-smsz5Vhb
First Published: 2021 January 13 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvv59980
CVE Names: CVE-2021-1127
CWEs: CWE-79
Summary
o A vulnerability in the web-based management interface of Cisco Enterprise
NFV Infrastructure Software (NFVIS) could allow an authenticated, remote
attacker to conduct a cross-site scripting (XSS) attack against a user of
the web-based management interface.
The vulnerability is due to improper input validation of log file content
stored on the affected device. An attacker could exploit this vulnerability
by modifying a log file with malicious code and getting a user to view the
modified log file. A successful exploit could allow the attacker to execute
arbitrary script code in the context of the affected interface or to access
sensitive, browser-based information.
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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nfvis-xss-smsz5Vhb
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco Enterprise
NFVIS devices running releases earlier than Release 4.4.1.
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.
Workarounds
o There are no workarounds that address this vulnerability.
Fixed Software
o 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, Cisco Enterprise NFVIS releases 4.4.1 and later
contained the fix for this vulnerability.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Exploitation and Public Announcements
o 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.
Source
o This vulnerability was found during internal security testing.
Cisco Security Vulnerability Policy
o 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.
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nfvis-xss-smsz5Vhb
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-JAN-13 |
+----------+---------------------------+----------+--------+--------------+
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