tstinner | Stinner IT Solutions

Multiple ZTNA Products Authentication Bypass

von tstinner | 14. Aug. 2025 | Unkategorisiert

What is the Vulnerability?A series of critical vulnerabilities affecting leading zero trust platforms – Zscaler, Netskope, and Check Point (Perimeter 81) – have been disclosed following a seven-month research campaign by security researchers David Cash and...

Attacks Observed in the Wild Exploiting CVE-2020-0688 (Microsoft Exchange Validation Key Remote Code Execution Vulnerability)

von tstinner | 24. Juli 2025 | Unkategorisiert

FortiGuard Labs is aware of reports of active exploitation of CVE-2020-0688 – Microsoft Exchange Validation Key Remote Code Execution Vulnerability. Active in the wild attacks were first observed by Twitter user Troy Mursch (@bad_packets). The vulnerability was...

Vulnerability in Zyxel Network Attached Storage (NAS) Devices

von tstinner | 24. Juli 2025 | Unkategorisiert

FortiGuard Labs is aware of a newly disclosed vulnerability in Zyxel network attached storage (NAS) devices in an advisory published today by CERT/CC. Multiple Zyxel devices contain a pre authentication command injection vulnerability, which may allow a remote...

Apache TomCat AJP File Inclusion Vulnerability

von tstinner | 24. Juli 2025 | Unkategorisiert

FortiGuard Labs is aware of a new attack on Apache Tomcat Servers dubbed “GhostCat.” Discovered by Chaitin Tech, a vulnerability in Apache Tomcat exists where an attacker has the ability to read and write in the webapp directory of Apache Tomcat. It...

PaperCut Remote Code Execution Vulnerability Exploited in the Wild

von tstinner | 23. Juli 2025 | Unkategorisiert

UPDATE 04/26/2023: Updated protection section for IPS protection.FortiGuard Labs is aware that a recently disclosed vulnerability in PaperCut MF/NG (CVE-2023-27350) is susceptible to a remote code execution attack and is currently being exploited in the wild. Various...

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