Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
cisco-sa-sdwan-rpa-EHchtZk
Summary
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.
These vulnerabilities were found during internal testing. Two of them are known to be actively exploited. For more information, see Cisco Secure Email Gateway SQL Injection Vulnerability and Cisco Secure Email Gateway Arbitrary File Write Vulnerability.
To assist customers in patching and streamline the disclosure process, Cisco has grouped these issues by their underlying vulnerability class — Common Weakness Enumeration (CWE) — and assigned a single Common Vulnerabilities and Exposures identifier (CVE ID) to each CWE grouping.
Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
Products covered
A separate affected-products list was not included in the collected bulletin.
Remediation
There are no workarounds that address these vulnerabilities.
To remediate these vulnerabilities and avoid future exposure as described in this advisory, Cisco strongly recommends that customers upgrade to the fixed software indicated in this advisory.
Fixed Releases
In the following tables, the left column lists Cisco software releases. The right column indicates whether a release is affected by the vulnerabilities that are described in this advisory and the first release that includes the fix for these vulnerabilities. Customers are advised to upgrade to an appropriate fixed software release as indicated in this section.
Cisco Secure Email Gateway Release | First Fixed Release |
|---|---|
15.5 and earlier | 15.5.5-014 |
16.0 | Migrate to a fixed release. |
16.5 | 16.5.0-780 |
Cisco Secure Email and Web Manager Release | First Fixed Release |
|---|---|
15.5 and earlier | 15.5.5-006 |
16.0 | Migrate to a fixed release. |
16.5 | 16.5.0-429 |
The software can be upgraded over the network by using the System Upgrade options in the web-based management interface of the appliance.
To upgrade a device by using the web-based management interface, do the following:
Choose System Administration > System Upgrade.
Click Upgrade Options.
Click Download and Install.
Choose a release to upgrade to.
In the Upgrade Preparation area, choose the appropriate options.
Click Proceed to begin the upgrade. A progress bar displays the status of the upgrade.
After the upgrade is complete, the device reboots.
To upgrade a device by using the CLI, do the following:
Run upgrade.
Enter DOWNLOADINSTALL.
Choose a release to upgrade to.
Choose the appropriate options throughout the upgrade process.
After the upgrade is complete, the device reboots.
Cisco Secure Email Cloud includes Cisco Secure Email Gateway and Cisco Secure Email and Web Manager devices as part of the service solution. Cisco provides regular maintenance of the products included in this solution. Customers can also request a software upgrade by contacting Cisco Secure Email Cloud support.
The Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.
CVEs in this advisory 5
Update history
What changed in later vendor updates
SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.
- The vendor changed the advisory summary.
- The vendor changed the advisory summary.
Updates
- Added to SecurityAlert
We collected the advisory from the official source.
- Published by Cisco
The publication date reported by the vendor.
- Confirmed at the source
Our collector saw this advisory during a later source check.