VulnCheck KEV: CVE-2021-22894

Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room...

Pulse Secure VPNs Get New Urgent Update for Poorly Patched Critical Flaw

Pulse Secure has shipped a fix for a critical post-authentication remote code execution RCE vulnerability in its Connect Secure virtual private network VPN appliances to address an incomplete patch for an actively exploited flaw it previously resolved in October 2020. "The Pulse Connect Secure...

CISA’s Top 30 Bugs: One’s Old Enough to Buy Beer

In a perfect world, CISA would laminate cards with the year’s top 30 vulnerabilities: You could whip it out and ask a business if they’ve bandaged these specific wounds before you hand over your cash. This is not a perfect world. There are no laminated vulnerability cards. But at least we have th...

Malware Targeting Pulse Secure Devices

As part of CISA’s ongoing response to Pulse Secure compromises, CISA has analyzed 13 malware samples related to exploited Pulse Secure devices. CISA encourages users and administrators to review the following 13 malware analysis reports MARs for threat actor techniques, tactics, and procedures TT...

Chinese Cyber Espionage Hackers Continue to Target Pulse Secure VPN Devices

Cybersecurity researchers from FireEye unmasked additional tactics, techniques, and procedures TTPs adopted by Chinese threat actors who were recently found abusing Pulse Secure VPN devices to drop malicious web shells and exfiltrate sensitive information from enterprise networks. FireEye's...

Re-Checking Your Pulse: Updates on Chinese APT Actors Compromising Pulse Secure VPN Devices

On April 20, 2021, Mandiant published detailed results of our investigations into compromised Pulse Secure devices by suspected Chinese espionage operators. This blog post is intended to provide an update on our findings, give additional recommendations to network defenders, and discuss potential...

Pulse Secure VPNs Get Quick Fix for Critical RCE

Pulse Secure has issued a workaround for a critical remote-code execution RCE vulnerability in its Pulse Connect Secure PCS VPNs that may allow an unauthenticated, remote attacker to execute code as a user with root privileges. Pulse Secure’s parent company, Ivanti, issued an out-of-band advisory...

CVE-2021-31922

An HTTP Request Smuggling vulnerability in Pulse Secure Virtual Traffic Manager before 21.1 could allow an attacker to smuggle an HTTP request through an HTTP/2 Header. This vulnerability is resolved in 21.1, 20.3R1, 20.2R1, 20.1R2, 19.2R4, and 18.2R3...

CVE-2021-31922

An HTTP Request Smuggling vulnerability in Pulse Secure Virtual Traffic Manager before 21.1 could allow an attacker to smuggle an HTTP request through an HTTP/2 Header. This vulnerability is resolved in 21.1, 20.3R1, 20.2R1, 20.1R2, 19.2R4, and 18.2R3...

Design/Logic Flaw

An HTTP Request Smuggling vulnerability in Pulse Secure Virtual Traffic Manager before 21.1 could allow an attacker to smuggle an HTTP request through an HTTP/2 Header. This vulnerability is resolved in 21.1, 20.3R1, 20.2R1, 20.1R2, 19.2R4, and 18.2R3...

CVE-2021-31922

An HTTP Request Smuggling vulnerability in Pulse Secure Virtual Traffic Manager before 21.1 could allow an attacker to smuggle an HTTP request through an HTTP/2 Header. This vulnerability is resolved in 21.1, 20.3R1, 20.2R1, 20.1R2, 19.2R4, and 18.2R3...

CVE-2021-31922

An HTTP Request Smuggling vulnerability in Pulse Secure Virtual Traffic Manager before 21.1 could allow an attacker to smuggle an HTTP request through an HTTP/2 Header. This vulnerability is resolved in 21.1, 20.3R1, 20.2R1, 20.1R2, 19.2R4, and 18.2R3...

CVE-2021-31922

CVE-2021-31922 is an HTTP Request Smuggling vulnerability in Pulse Secure Virtual Traffic Manager (vTM) prior to 21.1. The issue allows an attacker to smuggle an HTTP request through an HTTP/2 header, with fixes in 21.1 and earlier maintenance releases (20.3R1, 20.2R1, 20.1R2, 19.2R4, 18.2R3). Re...

CVE-2021-31922: Inconsistent Interpretation of HTTP Requests

An HTTP Request Smuggling vulnerability in Pulse Secure Virtual Traffic Manager before 21.1 could allow an attacker to smuggle an HTTP request through an HTTP/2 Header. This vulnerability is resolved in 21.1, 20.3R1, 20.2R1, 20.1R2, 19.2R4, and 18.2R3...

Pulse Secure Virtual Traffic Manager 环境问题漏洞

PulseSecure Virtual Traffic Manager is an application from PulseSecure, Inc. It provides load balancing and application delivery capabilities with high performance. A vulnerability exists in Virtual Traffic Manager. A remote attacker could perform an HTTP request smuggling attack. The following...

Pulse Secure VPNs Get a Fix for Critical Zero-Day Bugs

Pulse Secure has rushed a fix for a critical zero-day security vulnerability in its Connect Secure VPN devices, which has been exploited by nation-state actors to launch cyberattacks against U.S. defense, finance and government targets, as well as victims in Europe. Pulse Secure also patched thre...

Critical Patch Out for Critical Pulse Secure VPN 0-Day Under Attack

Ivanti, the company behind Pulse Secure VPN appliances, has released a security patch to remediate a critical security vulnerability that was found being actively exploited in the wild by at least two different threat actors. Tracked as CVE-2021-22893 CVSS score 10, the flaw concerns "multiple us...

Ivanti Releases Pulse Secure Security Update

Ivanti has released a security update to address vulnerabilities affecting Pulse Connect Secure PCS software outlined in CVE-2021-22893. An attacker could exploit these vulnerabilities to gain system access and take control of an affected system. In response, CISA released AA21-110A: Exploitation...

VPN Hacks Are a Slow-Motion Disaster

Recent spying attacks against Pulse Secure VPN are just the latest example of a long-simmering cybersecurity meltdown...

CVE-2021-22893

Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browser and Pulse Secure Collaboration features of Pulse Connect Secure that can allow an unauthenticated user to perform remote arbitrary code execution on the...