PT-2021-5238 · Pulse Secure · Pulse Connect Secure

Name of the Vulnerable Software and Affected Versions: Pulse Connect Secure versions prior to 9.1R11.4 Description: A buffer overflow issue exists, allowing a remote authenticated attacker to execute arbitrary code as the root user via maliciously crafted meeting room data. This can be exploited ...

CISA Emergency Directive 21-03: VPN Vulnerabilities Actively Exploited

On April 20, 2021, the Department of Homeland Security Cybersecurity and Infrastructure Security Agency CISA released an alert on the exploitation of Pulse Connect Secure Vulnerabilities with Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, as well as Emergency Directive ED...

CISA Updates Alert on Pulse Connect Secure

CISA has updated Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, originally released April 20. This update adds a new Detection section providing information on Impossible Travel and Transport Layer Security TLS Fingerprinting that may be useful in identifying malicious...

CISA Emergency Directive 21-03: VPN Vulnerabilities Actively Exploited

On April 20, 2021, the Department of Homeland Security Cybersecurity and Infrastructure Security Agency CISA released an alert on the exploitation of Pulse Connect Secure Vulnerabilities with Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, as well as Emergency Directive ED...

2021. The age of the super vulnerability?

I don’t know about you, but to me it seems that every week we are seeing another vulnerability that not only grants significant access to the vulnerable system but also more widely internally. This last week we have seen the latest round of Microsoft Exchange vulnerabilities. The April 2021 updat...

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...

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...

Authentication flaw

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...

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...

CVE-2021-22893

CVE-2021-22893 affects Pulse Connect Secure (PCS) 9.0R3/9.1R1 and later. The flaw is an authentication bypass exposed via the Windows File Share Browser and Pulse Secure Collaboration features, allowing an unauthenticated attacker to achieve remote code execution on the PCS gateway. Public source...

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...

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...

Active Exploitation of Pulse Connect Secure Zero-Day (CVE-2021-22893)

On Tuesday, April 20, 2021, security firm FireEye published detailed analysis of multiple threat campaigns targeting Ivanti’s Pulse Connect Secure VPN. According to FireEye’s analysis, threat actors have been leveraging multiple techniques to bypass single- and multi-factor authentication on Puls...

Pulse Secure Critical Zero-Day Security Bug Under Active Exploit

A critical zero-day security vulnerability in Pulse Secure VPN devices has been exploited by nation-state actors to launch cyberattacks against U.S. defense, finance and government targets, as well as victims in Europe, researchers said. Download “The Evolution of Ransomware” to gain valuable...

WARNING: Hackers Exploit Unpatched Pulse Secure 0-Day to Breach Organizations

If Pulse Connect Secure gateway is part of your organization network, you need to be aware of a newly discovered critical zero-day authentication bypass vulnerability CVE-2021-22893 that is currently being exploited in the wild and for which there is no patch available yet. At least two threat...

Pulse Secure Pulse Connect Secure Authentication Bypass Vulnerability

Pulse Secure Pulse Connect Secure a.k.a. PCS, formerly known as Juniper Junos Pulse is a suite of SSL VPN solutions from Pulse Secure in the United States. An authentication bypass vulnerability exists in Pulse Connect Secure, which can be exploited by an attacker to execute arbitrary code on Pul...

VulnCheck KEV: CVE-2020-8260

Pulse Connect Secure contains an unspecified vulnerability that allows an authenticated attacker to perform code execution using uncontrolled gzip extraction...

CISA Issues Emergency Directive on Pulse Connect Secure

CISA has issued Emergency Directive ED 21-03, as well as Alert AA21-110A, to address the exploitation of vulnerabilities affecting Pulse Connect Secure PCS software. An attacker could exploit these vulnerabilities to gain persistent system access and take control of the enterprise network operati...

VulnCheck KEV: CVE-2020-8243

Ivanti Pulse Connect Secure contains an unspecified vulnerability in the admin web interface that could allow an authenticated attacker to upload a custom template to perform code execution...

Pulse Connect Secure contains a use-after-free vulnerability

Overview Pulse Connect Secure PCS gateway contains a use-after-free vulnerability that can allow an unauthenticated remote attacker to execute arbitrary code. Description CVE-2021-22893 A use-after-free vulnerability that can be reached via a license server handling endpoint may allow a remote,...