CVE-2021-22893 in Pulse Secure and Ivanti Products
Published on April 23, 2021
Known Exploited Vulnerability
This Pulse Connect Secure Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Vulnerability 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 Pulse Connect Secure gateway.
The following remediation steps are recommended / required by April 23, 2021: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2021-22893 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is an authentification Vulnerability?
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVE-2021-22893 has been classified to as an authentification vulnerability or weakness.
Products Associated with CVE-2021-22893
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.