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AUSCERT External Security Bulletin Redistribution
ESB-2020.2701
Cisco Cyber Vision Center Software Access Control Bypass Vulnerability
6 August 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Cyber Vision Center Software Access Control
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Unauthorised Access -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-3448
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cvc-bypass-K99Cb2ff
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Cisco Cyber Vision Center Software Access Control Bypass Vulnerability
Priority: Medium
Advisory ID: cisco-sa-cvc-bypass-K99Cb2ff
First Published: 2020 August 5 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvt81670
CVE-2020-3448
CWE-284
CVSS Score:
5.8 AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X
Summary
o A vulnerability in an access control mechanism of Cisco Cyber Vision Center
Software could allow an unauthenticated, remote attacker to bypass
authentication and access internal services that are running on an affected
device.
The vulnerability is due to insufficient enforcement of access control in
the software. An attacker could exploit this vulnerability by directly
accessing the internal services of an affected device. A successful exploit
could allow an attacker to impact monitoring of sensors that are managed by
the software.
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-cvc-bypass-K99Cb2ff
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco Cyber Vision
Center Software releases earlier than releases 3.0.4 and 3.1.0.
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 Cyber Vision Center Software releases
3.0.4 and later and releases 3.1.0 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-cvc-bypass-K99Cb2ff
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | | Final | 2020-AUG-05 |
+----------+---------------------------+----------+--------+--------------+
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