Tag: zero-day
Cybersecurity Threat Advisory: HTTP/2 vulnerability
Amazon Web Services (AWS), Cloudflare, and Google announced measures to mitigate unprecedented distributed denial-of-service (DDoS) attacks that utilize an innovative HTTP/2 Rapid Reset technique. In this Cybersecurity Threat Advisory, learn the details of this threat, what the risks are, and...
Cybersecurity Threat Advisory: Cisco IOS XE zero-day vulnerability
This latest Cybersecurity Threat Advisory involves a critical authentication bypass zero-day vulnerability (CVE-2023-20198) discovered in Cisco IOS XE software, allowing unauthenticated attackers to gain full administrator privileges over affected routers and switches. This vulnerability is of utmost concern as it...
Cybersecurity Threat Advisory: New Microsoft Word vulnerability
A new Microsoft Word vulnerability, CVE-2023-36761, was disclosed by Microsoft. This new vulnerability is rated 5.3 by NIST, a medium-level vulnerability but Microsoft has rated this as “Important”. Barracuda MSP recommends reviewing this Cybersecurity Threat Advisory in detail and follow...
Cybersecurity Threat Advisory: New Android zero-day exploit found
This Cybersecurity Threat Advisory involves a critical zero-day vulnerability affecting Android devices, tracked as CVE-2023-35674, posing a significant threat to Android users. This vulnerability allows malicious actors to execute arbitrary code remotely, potentially compromising sensitive user data and device functionality....
Cybersecurity Threat Advisory: Microsoft zero-day exploit
This Cybersecurity Threat Advisory highlights a high-severity Microsoft Office and Windows HTML remote code execution vulnerability, CVE-2023-36884, with a base CVSS score of 8.3 has been discovered. Through this vulnerability attackers can execute arbitrary code on affected systems, leading to...
Cybersecurity Threat Advisory: Apple zero-day vulnerability
This week, Apple has released security updates to iOS, iPadOS, macOS, tvOS, and Safari web browser to address a new zero-day vulnerability that could result in the execution of malicious code. This vulnerability could potentially allow threat actors to bypass...
Cybersecurity Threat Advisory: Google zero-day vulnerability
Google has released a new patch for Google Chrome to address critical vulnerabilities in V8, WebRTC, and Chrome OS Shell components. If exploited, the vulnerabilities will allow malicious actors to perform memory corruption and privilege escalation. Barracuda MSP recommends applying...
Cybersecurity Threat Advisory: critical vulnerability affecting Atlassian Confluence Server
A zero-day exploit has been discovered in all versions of Atlassian Confluence Server and Data Center products. This vulnerability is actively being exploited by cyberattackers. It allows threat actors to gain full control of vulnerable systems without using credentials and...
Cybersecurity Threat Advisory: Apple macOS Critical Privilege Escalation Vulnerability
Apple has released an emergency update for a critical kernel privilege escalation vulnerability in macOS Big Sur 11. This vulnerability allows an attacker to utilize the app to execute arbitrary code with kernel privileges. Barracuda MSP recommends updating to the...
