Vulnerabilities

CISA added four security flaws to its Known Exploited Vulnerabilities (KEV) catalog on Monday due to evidence of active exploitation. The list of flaws is as follows: CVE-2014-3931 (CVSS score: 9.8) A buffer overflow vulnerability in Multi-Router Looking Glass (MRLG) that could allow remote attackers to cause an arbitrary memory …

IBM X-Force has analyzed Microsoft Azure Arc, revealing how this hybrid-cloud management tool can pose risks for code execution, privilege escalation, and stealthy persistence. This study began when IBM’s red team found a hardcoded Azure Service Principal secret in a PowerShell script, prompting a closer look at Azure Arc’s operations …

Cisco has issued updates to fix two critical security vulnerabilities in Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) that could allow unauthorized users to run commands as the root user. The vulnerabilities CVE-2025-20281 and CVE-2025-20282 both have a CVSS score of 10.0. CVE-2025-20281: An unauthenticated remote code execution …

Citrix has issued security updates for a critical vulnerability in NetScaler ADC that has been actively exploited. The vulnerability CVE-2025-6543 has a CVSS score of 9.2, indicating high severity. It’s a memory overflow issue that may cause control flow errors and denial-of-service. To exploit it, the appliance must be set …

Unidentified hackers are targeting exposed Microsoft Exchange servers to inject harmful code into login pages and steal credentials. Positive Technologies published an analysis last week revealing two types of JavaScript keylogger code on the Outlook login page. Those that save collected data to a local file accessible over the internet …

GreyNoise found attempts to exploit CVE-2023-28771, a vulnerability in Zyxel’s IKE affecting UDP port 500. The attack centers around CVE-2023-28771, a high-severity remote code execution vulnerability (CVSS 9.8) affecting Zyxel Internet Key Exchange (IKE) packet decoders over UDP port 500. Exploitation attempts against CVE-2023-28771 were minimal throughout recent weeks. On …

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has recently included two high-risk vulnerabilities in its Known Exploited Vulnerabilities (KEV) Catalog, highlighting confirmed cases of these flaws being exploited in real-world scenarios. The catalog now features a zero-click iOS vulnerability exploited by mercenary spyware, as well as a command injection …

HashiCorp has revealed a critical vulnerability in its Nomad tool that may let attackers gain higher privileges by misusing the Access Control List (ACL) policy lookup. Identified as CVE-2025-4922, this vulnerability has a CVSS score of 8.1, indicating significant risk for organizations using affected Nomad versions. “Nomad prefix-based ACL policy …

Serious security vulnerabilities in Trend Micro Apex One could allow attackers to inject malicious code and elevate their privileges within the system. The company issued emergency patches on June 9, 2025, for five vulnerabilities (CVE-2025-49154 to CVE-2025-49158) rated medium to high on the CVSS 3.0 scale. CVE-2025-49154: Insecure Access Control …

Aim Labs discovered a zero-click AI vulnerability named “EchoLeak” in Microsoft 365 Copilot and reported several ways to exploit it to Microsoft’s MSRC team. The new attack method called “LLM Scope Violation” has been identified, which could also impact other RAG-based chatbots and AI agents. This finding marks a significant …