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Vulnerability Management

Palo Alto GlobalProtect Zero-Day: Response Timeline

CVE-2024-3400 hit GlobalProtect with pre-auth RCE and ongoing exploitation. Here is the response timeline, the UPSTYLE tradecraft, and what worked.

Apr 18, 20245 min read
Vulnerability Analysis

Palo Alto PAN-OS Zero-Day CVE-2024-3400: Command Injection in GlobalProtect

A critical command injection vulnerability in Palo Alto Networks PAN-OS GlobalProtect feature was exploited as a zero-day, giving attackers root access to firewalls protecting enterprise networks.

Apr 12, 20245 min read
Vulnerability Analysis

Ivanti Connect Secure Zero-Day: CVE-2024-21887 and CVE-2023-46805 Exploited in the Wild

Two chained zero-days in Ivanti Connect Secure VPN appliances gave attackers unauthenticated remote code execution. Here's what happened and why perimeter devices remain a favorite target.

Jan 10, 20245 min read
Vulnerability Analysis

Cisco IOS XE CVE-2023-20198: Tens of Thousands of Devices Implanted

A critical zero-day in Cisco IOS XE's web UI allowed unauthenticated attackers to create admin accounts and deploy implants on over 40,000 devices worldwide.

Oct 16, 20235 min read
Vulnerability Analysis

WinRAR Zero-Day CVE-2023-38831: Weaponized Archives in the Wild

A WinRAR vulnerability exploited since April 2023 allowed attackers to execute arbitrary code when users opened seemingly harmless files inside ZIP archives.

Aug 20, 20235 min read
Vulnerability Analysis

Ivanti EPMM Zero-Day CVE-2023-35078: Norwegian Government Breach

A critical authentication bypass in Ivanti's Endpoint Manager Mobile was exploited to breach Norwegian government agencies, earning a perfect CVSS 10.0 score.

Aug 8, 20234 min read
Vulnerability Analysis

Citrix NetScaler Zero-Day CVE-2023-3519: Mass Exploitation in the Wild

CVE-2023-3519 allowed unauthenticated remote code execution on Citrix NetScaler ADC and Gateway devices, leading to widespread exploitation and CISA emergency directives.

Jul 18, 20235 min read
Vulnerability Analysis

Zimbra Collaboration CVE-2023-37580: XSS Zero-Day Exploited by Four Nation-State Groups

A reflected XSS vulnerability in Zimbra Collaboration was exploited by four distinct threat groups targeting government organizations worldwide. The campaign showed how even 'low severity' bugs enable espionage.

Jul 13, 20235 min read
Incident Analysis

MOVEit Vulnerability Mass Exploitation: A Field Analysis

Inside the Cl0p ransomware gang's zero-day attack on Progress MOVEit Transfer, the CVE-2023-34362 timeline, and the supply chain lessons it exposed.

Jun 25, 20235 min read
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