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The vulnerability in question was previously exploited in the wild together with other Pulse Secure bugs.
#PULSE SECURE CVE UPGRADE#
In order to mitigate the vulnerability, Pulse Secure is advising the customers with gateways running PCS 9.0R3 and higher to upgrade the server software to the 9.1R.11. Called CVE-2021-22893, the vulnerability has a 10/10 critical CVSS score and poses a significant deployment risk. Pulse Secure SSL VPN vulnerabilities fixed on 5: CVE-2019-11510. We strongly recommend that customers review the advisories and follow the recommended guidance, including changing all passwords in the environment if impacted. A vulnerability was discovered under Pulse Connect Secure (PCS).
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We have discovered four issues, the bulk of which involve three vulnerabilities that were patched in 20: Security Advisory SA44101 (CVE-2019-11510), Security Advisory SA44588 (CVE-2020-8243) and Security Advisory SA44601 (CVE-2020-8260).
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Note: References are provided for the convenience of the reader to help distinguish between. The team has been working proactively with leading forensic experts and industry groups, including Mandiant/FireEye, CISA and Stroz Friedberg, among others, to investigate and respond to the exploit behavior. In Pulse Secure Pulse Connect Secure (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an unauthenticated remote attacker can send a specially crafted URI to perform an arbitrary file reading vulnerability. We are sharing information about the investigation and our actions through several communications channels in the best interests of our customers and the greater security community. The Pulse Secure team recently discovered that a limited number of customers have experienced evidence of exploit behavior on their Pulse Connect Secure (PCS) appliances. In order to help their customers find out if their systems were impacted, Pulse Secure also released the Pulse Connect Secure Integrity Tool.
#PULSE SECURE CVE WINDOWS#
In order to mitigate the vulnerability, Pulse Secure is advising the customers with gateways running PCS 9.0R3 and higher to upgrade the server software to the 9.1R.11.4 release.Ī workaround also exists, therefore the vulnerability could be mitigated on some gateways by disabling Windows File Share Browser and Pulse Secure Collaboration features using instructions available in the security advisory published earlier today. Called CVE-2021-22893, the vulnerability has a 10/10 critical CVSS score and poses a significant deployment risk. A vulnerability was discovered under Pulse Connect Secure (PCS).