Security Vulnerability of the Week 25/07/22

vulnerability weekly July 25

Previous Issues of vulnerability Weekly

This week we deep dive into Atlassian Hardcoded Credentials, Sonicwall GSM, Cisco Nexus, Microsoft Macro, Vmware Fix, Mac OS spotlight vulnerability and more. 



Atlassian warned customers to immediately patch a critical vulnerability that provides remote attackers with hardcoded credentials to log into unpatched Confluence Server and Data Center servers.

Atlassian has recently (20/7/22) discovered a hardcoded credential. As the company comes under more scrutiny for security flaws after recent incidents. 

The hardcoded credentials is triggered after installing Questions for Confluence app (versions 2.7.34, 2.7.35, and 3.0.2)  on servers for a user account with the username disabledsystemuser — the original design was to help admins with the migration of data from the app to the Confluence Cloud.

The current installation is for more than 8000 instances: 

As per 22/7/22, the vulnerability has been patched a critical hardcoded credentials vulnerability in Confluence Server and Data Center that could let remote, unauthenticated attackers log into vulnerable, unpatched servers.


Updating the Questions for Confluence app to a fixed version (versions 2.7.x >= 2.7.38 or versions greater than 3.0.5) removes the problematic plugin

Alternatively, you can search for the user and delete:

  • User: disabledsystemuser
  • Username: disabledsystemuser
  • Email:


Apple MacOs Several Flaws 

CVE-2022-32837. – CVSS – 9.4 Critical – Wifi Injection


CVE-2022-32801 – CVSS 7.5 – Spotlight Privilege Escalation 

CVE-2022-32792 – CVSS 6.0 – Apple Safari Webkit Out of band memory write 

Spotlight Local Privilege Escalation  CVE-2022-32801 

Spotlight is the system that searches and indexes all the files. Apple has already issued a resolution to the vulnerabilities

A vulnerability classified as critical has been found in Apple macOS. This affects an unknown part of the component Spotlight. The manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2022-32801. Attacking locally is a requirement. There is no exploit available. It is recommended to upgrade the affected component.

The CVE-2022-32837 Wifi weakness is by far the most dangerous as affects wifi devices.

A vulnerability classified as very critical has been found in Apple macOS. Affected is an unknown function of the component Wi-Fi. The manipulation leads to an unknown weakness. This vulnerability is traded as CVE-2022-32837. It is possible to launch the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

The weakness was released 07/20/2022 by Wang Yu as HT213345 as a confirmed advisory . It is possible to read the advisory at The identification of this vulnerability is CVE-2022-32837. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $2k-$5k at the moment. It is expected to see the exploit prices for this product increasing shortly. The advisory points out:

An app may be able to cause unexpected system termination or write kernel memory

Upgrading eliminates this vulnerability. Possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

This issue was addressed with improved checks.

Last but not least a vulnerability was identified in the Safari web browser

The vulnerability, which was classified as critical, was found in Apple Safari up to 15.5 . This affects an unknown code of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-787. The software writes data past the end, or before the beginning, of the intended buffer. The impact remains unknown.

The weakness was published 07/20/2022 by Manfred Paul as HT213341 as confirmed advisory (Website). It is possible to read the advisory at This vulnerability is uniquely identified as CVE-2022-32792. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/22/2022). The advisory points out:

Processing maliciously crafted web content may lead to arbitrary code execution

Upgrading to version 15.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

An out-of-bounds write issue was addressed with improved input validation.

Sonicwall Critical SQL Injection fixed immediately. 

SonicWall (@SonicWall) / Twitter

SonicWall published on the 22/7/22 a security advisory warning of a critical SQL injection flaw impacting the GMS (Global Management System) and Analytics On-Prem products.

The GSM is usually used to manage firewalls and other security appliances across the world. As is a management device is usually not immediately exposed over the network. 

The vulnerability carries a severity rating of 9.4, categorising it as “critical”, and is exploitable from the network without requiring authentication or user interaction, while it also has low attack complexity. 

Considering that the devices not usually facing Severity rating for CVE-2022-22280 is confirmed (CVSS)

SonicWall clarifies that there is no active exploit noticed in the wild.

The advisory is to upgrade the GSM to the latest version: GMS 9.3.1-SP2-Hotfix-2 or later and Analytics or later. Any version number below these is vulnerable to CVE-2022-22280.

Currently, there is no workaround available for this vulnerability, so all administrators are advised to apply the available security updates.

Microsoft Macro for office are not blocked…once again

In previous issue we have mention the weaponisation of follina being quite widespread.

Microsoft has announced as of 21/7/22 that the VBA macro blocker is being rollout once again.

To review the blocked macro user, investigate here:  A potentially dangerous macro has been blocked support page. 

Admins can find dedicated specific documentation on Microsoft webpages Macros from the Internet will be blocked by default in Office .

Mockup of new Office macros security alert

CIsco Fixes a bug that allows attackers to execute commands as root

Several security vulnerabilities were identified by cisco during internal testing

CVE-2022-20857 – Critical Nexus Vulnerability – Dashboard – Being reassessed

CVE-2022-20861 – Original CVE for multi Vulnerability

CVE-2022-20858 – Critical Nexus Vulnerability – Dashboard – Being reassessed
CVE-2022-20860 – ​​SSL/TLS implementation of the Cisco Nexus Dashboard

The latest vulnerability affecting Cisco Nexus Dashboard CVE-2022-20857 has now been fixed, and there is no active exploit in the wild, according to CISCO

“A successful exploit could allow the attacker to perform actions with Administrator privileges on an affected device,” Cisco explains.

The vulnerabilities affect Cisco Nexus Dashboard 1.1 and later. Cisco has addressed the flaws in the 2.2(1e) security update published today and advises customers to migrate to a fixed release as soon as possible.

Cisco Nexus Dashboard ReleaseFirst Fixed Release
1.1 (not affected by CVE-2022-20858)Migrate to a fixed release.
2.0Migrate to a fixed release.
2.1Migrate to a fixed release.

The vulnerabilities were identified by security researchers with Cisco’s Advanced Security Initiatives Group (ASIG) during internal security testing.

No exploit in the wild is available for those vulnerabilities

Cisco has also patched a fourth vulnerability (CVE-2022-20860) in the SSL/TLS implementation of the Cisco Nexus Dashboard

“This vulnerability exists because SSL server certificates are not validated when Cisco Nexus Dashboard is establishing a connection to Cisco Application Policy Infrastructure Controller (APIC), Cisco Cloud APIC, or Cisco Nexus Dashboard Fabric Controller, formerly Data Center Network Manager (DCNM) controllers,” the company added in a separate advisory.

VMWARE Fixes Security Flaws on V Center 8 months after disclose

8 months after the vulnerability got disclosed a high-severity privilege escalation flaw in vCenter Server’s IWA (Integrated Windows Authentication) mechanism, VMware has finally released a patch for one of the affected versions.

The vulnerability (tracked as CVE-2021-22048 and reported by CrowdStrike’s Yaron Zinar and Sagi Sheinfeld) also affects VMware’s Cloud Foundation hybrid cloud platform deployments.

Originally a workaround was available for CVE-2021-22048 now completely fixedWhile CVE-2021-22048 affects multiple vCenter Server versions (i.e., 6.5, 6.7, and 7.0), the company released vCenter Server 7.0 Update 3f today, a security update that only addresses the vulnerability for servers running the latest available release.

Previous Issues of vulnerability Weekly

Francesco is an internationally renowned public speaker, with multiple interviews in high-profile publications (eg. Forbes), and an author of numerous books and articles, who utilises his platform to evangelize the importance of Cloud security and cutting-edge technologies on a global scale.

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