Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.3313
Cisco DNA Center Information Disclosure Vulnerability
7 October 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco DNA Center
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-34782
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dnac-infodisc-KyC6YncS
- --------------------------BEGIN INCLUDED TEXT--------------------
Cisco DNA Center Information Disclosure Vulnerability
Priority: Medium
Advisory ID: cisco-sa-dnac-infodisc-KyC6YncS
First Published: 2021 October 6 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvy18258
CVE Names: CVE-2021-34782
CWEs: CWE-202
Summary
o A vulnerability in the API endpoints for Cisco DNA Center could allow an
authenticated, remote attacker to gain access to sensitive information that
should be restricted. The attacker must have valid device credentials.
This vulnerability is due to improper access controls on API endpoints. An
attacker could exploit the vulnerability by sending a specific API request
to an affected application. A successful exploit could allow the attacker
to obtain sensitive information about other users who are configured with
higher privileges on the application.
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-dnac-infodisc-KyC6YncS
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco DNA Center.
For information about which Cisco software releases were vulnerable at the
time of publication, see the Fixed Software section of this advisory. 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, the release information in the following table
(s) was accurate. See the Details section in the bug ID(s) at the top of
this advisory for the most complete and current information.
The left column lists Cisco software releases, and the right column
indicates whether a release was affected by the vulnerability described in
this advisory and which release included the fix for this vulnerability.
Cisco DNA Center First Fixed Release for this Vulnerability
2.2.2 and earlier 2.2.2.5 (Oct 2021)
2.2.3 2.2.3.3
The Cisco Product Security Incident Response Team (PSIRT) validates only
the affected and fixed release information that is documented in this
advisory.
Exploitation and Public Announcements
o The Cisco 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 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.
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dnac-infodisc-KyC6YncS
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-OCT-06 |
+----------+---------------------------+----------+--------+--------------+
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
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
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
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.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=l/zP
-----END PGP SIGNATURE-----