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AUSCERT External Security Bulletin Redistribution
ESB-2021.2331
Cisco Identity Services Engine Stored Cross-Site Scripting Vulnerabilities
8 July 2021
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AusCERT Security Bulletin Summary
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Product: Cisco Identity Services Engine
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Cross-site Scripting — Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-1607 CVE-2021-1606 CVE-2021-1605
CVE-2021-1604 CVE-2021-1603
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-stored-xss-TWwjVPdL
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Cisco Identity Services Engine Stored Cross-Site Scripting Vulnerabilities
Priority: Medium
Advisory ID: cisco-sa-ise-stored-xss-TWwjVPdL
First Published: 2021 July 7 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvv95150 CSCvw53652 CSCvw53661 CSCvw53668 CSCvw53683
CVE Names: CVE-2021-1603 CVE-2021-1604 CVE-2021-1605 CVE-2021-1606
CVE-2021-1607
CWEs: CWE-79
Summary
o Multiple vulnerabilities in the web-based management interface of Cisco
Identity Services Engine (ISE) could allow an authenticated, remote
attacker to conduct a stored cross-site scripting (XSS) attack against a
user.
These vulnerabilities exist because the web-based management interface does
not sufficiently validate user-supplied input. An attacker could exploit
these vulnerabilities by injecting malicious code into specific pages of
the interface. A successful exploit could allow the attacker to execute
arbitrary script code in the context of the affected interface or access
sensitive, browser-based information. To exploit these vulnerabilities, the
attacker would need valid administrative credentials.
Cisco has released software updates that address these vulnerabilities.
There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-stored-xss-TWwjVPdL
Affected Products
o Vulnerable Products
At the time of publication, these vulnerabilities affected Cisco ISE
releases earlier than the following:
2.6 Patch 9
2.7 Patch 4
3.0 Patch 3
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 these vulnerabilities.
Workarounds
o There are no workarounds that address these vulnerabilities.
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, the following Cisco ISE releases contained the
fix for these vulnerabilities:
2.6 Patch 9 and later
2.7 Patch 4 and later
3.0 Patch 3 and later
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 vulnerabilities that are
described in this advisory.
Source
o These vulnerabilities were found during the resolution of a Cisco TAC
support case.
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.
Related to This Advisory
o Cross-Site Scripting
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-stored-xss-TWwjVPdL
Revision History
o +———-+—————————+———-+——–+————–+
| Version | Description | Section | Status | Date |
+———-+—————————+———-+——–+————–+
| 1.0 | Initial public release. | – | Final | 2021-JUL-07 |
+———-+—————————+———-+——–+————–+
– ————————–END INCLUDED TEXT——————–
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NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT’s members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation’s
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
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Contact information for the authors of the original document is included
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information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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