Insights

The Cybersecurity and Infrastructure Security Agency (CISA) and the Norwegian National Cyber Security Centre (NCSC-NO) have released a joint Cybersecurity Advisory (CSA), Threat Actors Exploiting Ivanti EPMM Vulnerabilities, in response to the active exploitation of CVE-2023-35078 and CVE-2023-35081 affecting Ivanti Endpoint Manager Mobile (EPMM) (formerly known as MobileIron Core). Threat actors can chain these vulnerabilities to gain initial, privileged access to EPMM systems and execute uploaded files, such as webshells.  In July 2023, NCSC-NO became…

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CISA has published three malware analysis reports on malware variants associated with exploitation of CVE-2023-2868. CVE-2023-2868 is a remote command injection vulnerability affecting Barracuda Email Security Gateway (ESG) Appliance, versions 5.1.3.001-9.2.0.006. It was exploited as a zero day as early as October 2022 to gain access to ESG appliances. According to industry reporting, the actors exploited the vulnerability to gain initial access to victim systems and then implanted backdoors to establish and maintain persistence. CISA…

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Ivanti has identified and released patches for a directory traversal vulnerability (CVE-2023-35081, CWE-22) in Ivanti Endpoint Manager Mobile (EPMM). This vulnerability allows an attacker with EPMM administrator privileges to write arbitrary files with the operating system privileges of the EPMM web application server. The attacker could then execute the uploaded file, for example, a web shell. To gain EPMM administrator privileges, the attacker could exploit CVE-2023-35078 on an unpatched system. Ivanti reports active exploitation of…

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The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC), the Cybersecurity and Infrastructure Security Agency (CISA), and the National Security Agency (NSA) are releasing a joint Cybersecurity Advisory (CSA), Preventing Web Application Access Control Abuse, to warn vendors, designers, developers, and end-user organizations of web applications about insecure direct object reference (IDOR) vulnerabilities. These vulnerabilities are frequently exploited by malicious actors in data breach incidents and have resulted in the compromise of personal, financial, and…

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CISA has released an analysis and infographic detailing the findings from the 121 Risk and Vulnerability Assessments (RVAs) conducted across multiple critical infrastructure sectors in fiscal year 2022 (FY22).  The analysis details a sample attack path including tactics and steps a cyber threat actor could follow to compromise an organization with weaknesses representative of those CISA observed in FY22 RVAs. The infographic highlights the most successful techniques for each tactic that RVAs documented. Both the…

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A vulnerability discovered in Ivanti Endpoint Manager Mobile (EPMM, previously branded MobileIron Core) allows unauthenticated access to specific API paths. An attacker with access to these API paths can access personally identifiable information (PII) such as names, phone numbers, and other mobile device details for users on a vulnerable system. An attacker can also make other configuration changes, including creating an EPMM administrative account that can make further changes to a vulnerable system. Ivanti reports…

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Atlassian has released its Security Bulletin for July 2023 to address vulnerabilities in Confluence Data Center & Server (CVE-2023-22505 and CVE-2023-22508) and Bamboo Data Center (CVE-2023-22506). An attacker can exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Atlassian’s July 2023 Security Bulletin and apply the necessary updates.

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