Fortinet FortiOS

Pierluigi Paganini June 13, 2024
Multiple flaws in Fortinet FortiOS fixed

Fortinet released security updates to address multiple vulnerabilities in FortiOS, including a high-severity code execution security issue. Fortinet addressed multiple vulnerabilities in FortiOS and other products, including some code execution flaws. The company states that multiple stack-based buffer overflow vulnerabilities in the command line interpreter of FortiOS [CWE-121], collectively tracked as CVE-2024-23110 (CVSS score of […]

Pierluigi Paganini February 10, 2024
CISA adds Fortinet FortiOS bug to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Fortinet FortiOS bug to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Fortinet FortiOS Out-of-Bound write vulnerability, tracked as CVE-2024-21762, to its Known Exploited Vulnerabilities (KEV) catalog. This week Fortinet warned that the recently discovered critical remote code execution vulnerability in […]

Pierluigi Paganini March 14, 2023
Advanced actor targets Fortinet FortiOS in attacks on govt entities

An unknown threat actor is targeting Government entities and large organizations by exploiting a security flaw in Fortinet FortiOS. Fortinet researchers are warning of an advanced threat actor that is targeting governmental or government-related entities. The unknown threat actor is exploiting a vulnerability in Fortinet FortiOS software, tracked as CVE-2022-41328, that may allow a privileged […]

Pierluigi Paganini March 08, 2023
A critical flaw affects Fortinet FortiOS and FortiProxy, patch it now!

Fortinet addressed a critical heap buffer underflow vulnerability affecting FortiOS and FortiProxy, which can lead to arbitrary code execution. Fortinet addressed a critical buffer underwrite (‘buffer underflow’) vulnerability, tracked as CVE-2023-25610 (CVSS v3 9.3), that resides in the administrative interface in FortiOS and FortiProxy. A remote, unauthenticated attacker can exploit the vulnerability to execute arbitrary […]

Pierluigi Paganini November 29, 2022
Threat actors are offering access to corporate networks via unauthorized Fortinet VPN access

Cyble observed Initial Access Brokers (IABs) offering access to enterprise networks compromised via a critical flaw in Fortinet products. Researchers at Cyble have observed initial access brokers (IABs) selling access to enterprise networks likely compromised via a recently patched critical flaw, tracked as CVE-2022-40684, in Fortinet products. In early October, Fortinet addressed the critical authentication bypass flaw, […]

Pierluigi Paganini April 02, 2021
FBI and CISA are warning of APT actors targeting Fortinet FortiOS servers

FBI and CISA published a joint alert to warn of advanced persistent threat (APT) groups targeting Fortinet FortiOS to access networks of multiple organizations. The Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) published a joint alert to warn of attacks carried out by APT groups targeting Fortinet FortiOS servers using multiple exploits. The […]