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Vulnerability Analysis

Ghostcat Apache Tomcat AJP file read/RCE (CVE-2020-1938)

CVE-2020-1938 'Ghostcat' exposes Apache Tomcat's AJP connector to file read and RCE. Here's the ghostcat tomcat AJP vulnerability impact and how to fix it.

Jan 17, 20267 min read
Vulnerability Analysis

ProxyLogon Microsoft Exchange RCE chain (CVE-2021-26855)

A deep dive into ProxyLogon (CVE-2021-26855 and chain): the unauthenticated Exchange RCE that enabled HAFNIUM and mass ransomware attacks.

Jan 17, 20267 min read
Vulnerability Analysis

PrintNightmare Windows Print Spooler RCE (CVE-2021-34527)

A critical Print Spooler flaw (CVE-2021-34527) enabled unauthenticated SYSTEM-level RCE on nearly every Windows host. Here's what happened and how to fix it.

Jan 17, 20268 min read
Vulnerability Analysis

WinRAR CVE-2025-0411 Mark-of-the-Web Bypass

CVE-2025-0411 lets WinRAR archives bypass Windows Mark-of-the-Web when extracted. Here is the flaw, the observed campaigns, and the patching path.

Jan 17, 20267 min read
Vulnerability Analysis

Text4Shell (CVE-2022-42889): Apache Commons Text and the Haunting Echo of Log4Shell

A critical RCE vulnerability in Apache Commons Text drew immediate comparisons to Log4Shell. While less severe in practice, it highlighted how deeply embedded utility libraries create systemic risk.

Jan 16, 20266 min read
Vulnerability Analysis

F5 BIG-IP iControl REST RCE (CVE-2022-1388)

A critical iControl REST auth bypass let attackers gain root RCE on BIG-IP within days of disclosure. Impact, KEV status, timeline, and fixes.

Jan 16, 20267 min read
Vulnerability Analysis

libwebp heap buffer overflow zero-day (CVE-2023-4863)

A heap buffer overflow in libwebp, actively exploited in a zero-click iOS spyware chain, exposed browsers, Electron apps, and containers alike.

Jan 16, 20268 min read
Vulnerability Analysis

HTTP/2 Rapid Reset DDoS technique (CVE-2023-44487)

CVE-2023-44487 (HTTP/2 Rapid Reset) fueled record DDoS attacks by abusing stream resets. Here's the impact, timeline, and how to remediate it.

Jan 16, 20267 min read
Vulnerability Analysis

XZ Utils backdoor discovery (CVE-2024-3094)

A deep dive into CVE-2024-3094, the XZ Utils backdoor: affected versions, CVSS/EPSS context, full attack timeline, and remediation steps.

Jan 16, 20267 min read

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