{"id":5801,"date":"2025-05-23T02:37:39","date_gmt":"2025-05-23T02:37:39","guid":{"rendered":"http:\/\/localhost\/?p=5801"},"modified":"2025-05-23T02:37:39","modified_gmt":"2025-05-23T02:37:39","slug":"cisa-warns-of-suspected-broader-saas-attacks-exploiting-app-secrets-and-cloud-misconfigs","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=5801","title":{"rendered":"CISA Warns of Suspected Broader SaaS Attacks Exploiting App Secrets and Cloud Misconfigs"},"content":{"rendered":"<h2>Security Update News<\/h2>\n<h3>Update Information<\/h3>\n<table style=\"width:100%; border-collapse: collapse; margin-bottom: 20px;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Title<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">CISA Warns of Suspected Broader SaaS Attacks Exploiting App Secrets and Cloud Misconfigs<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Update ID<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">THN:B85A3129C0474614979C54506225F25C<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Type<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">thn<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Published<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">2025-05-23T05:16:00<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Last Updated<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">2025-05-23T05:16:02<\/td>\n<\/tr>\n<\/table>\n<h3>Security Impact<\/h3>\n<table style=\"width:100%; border-collapse: collapse; margin-bottom: 20px;\">\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">CVSS Score<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">8.7<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Severity<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd; color: #ff4444; font-weight: bold;\">HIGH<\/td>\n<\/tr>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #ddd; \">Attack Vector<\/th>\n<td style=\"padding: 8px; border: 1px solid #ddd;\">NETWORK<\/td>\n<\/tr>\n<\/table>\n<h3>Affected CVEs<\/h3>\n<div style=\" padding: 15px; border: 1px solid #ddd; margin-bottom: 20px;\">\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li>CVE-2025-3928<\/li>\n<\/ul>\n<\/div>\n<h3>Update Details<\/h3>\n<div style=\"; padding: 15px; border-left: 4px solid #4CAF50; margin-bottom: 20px;\">\n![Broader SaaS Attacks](data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8Xw8AAoMBgDTD2qgAAAAASUVORK5CYII=)<\/p>\n<p>The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday revealed that Commvault is monitoring cyber threat activity targeting applications hosted in their Microsoft Azure cloud environment.<\/p>\n<p>&#8220;Threat actors may have accessed client secrets for Commvault&#8217;s (Metallic) Microsoft 365 (M365) backup software-as-a-service (SaaS) solution, hosted in Azure,&#8221; the agency said.<\/p>\n<p>&#8220;This provided the threat actors with unauthorized access to Commvault&#8217;s customers&#8217; M365 environments that have application secrets stored by Commvault.&#8221;<\/p>\n<p>CISA further noted that the activity may be part of a broader campaign targeting various software-as-a-service (SaaS) providers&#8217; cloud infrastructures with default configurations and elevated permissions.<\/p>\n<p>The advisory comes weeks after Commvault revealed that Microsoft notified the company in February 2025 of unauthorized activity by a nation-state threat actor within its Azure environment.<\/p>\n<p>The incident led to the discovery that the threat actors had been exploiting a zero-day vulnerability (CVE-2025-3928), an unspecified flaw in the Commvault Web Server that enables a remote, authenticated attacker to create and execute web shells.<\/p>\n<p>&#8220;Based on industry experts, this threat actor uses sophisticated techniques to try to gain access to customer M365 environments,&#8221; Commvault said in an announcement. &#8220;This threat actor may have accessed a subset of app credentials that certain Commvault customers use to authenticate their M365 environments.&#8221;<\/p>\n<p>![Cybersecurity](data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8Xw8AAoMBgDTD2qgAAAAASUVORK5CYII=)<\/p>\n<p>Commvault said it has taken several remedial actions, including rotating app credentials for M365, but emphasized that there has been no unauthorized access to customer backup data.<\/p>\n<p>To mitigate such threats, CISA is recommending that users and administrators follow the below guidelines &#8211;<\/p>\n<p>  * Monitor Entra audit logs for unauthorized modifications or additions of credentials to service principals initiated by Commvault applications\/service principals<br \/>  * Review Microsoft logs (Entra audit, Entra sign-in, unified audit logs) and conduct internal threat hunting<br \/>  * For single tenant apps, implement a conditional access policy that limits authentication of an application service principal to an approved IP address that is listed within Commvault&#8217;s allowlisted range of IP addresses<br \/>  * Review the list of Application Registrations and Service Principals in Entra with administrative consent for higher privileges than the business need<br \/>  * Restrict access to Commvault management interfaces to trusted networks and administrative systems<br \/>  * Detect and block path-traversal attempts and suspicious file uploads by deploying a Web Application Firewall and removing external access to Commvault applications<\/p>\n<p>CISA, which added CVE-2025-3928 to its Known Exploited Vulnerabilities Catalog in late April 2025, said it&#8217;s continuing to investigate the malicious activity in collaboration with partner organizations.<\/p>\n<p>Found this article interesting? Follow us on Twitter _\uf099_ and LinkedIn to read more exclusive content we post.\n<\/div>\n<p><a href=\"https:\/\/thehackernews.com\/2025\/05\/cisa-warns-of-suspected-broader-saas.html\" target=\"_blank\" style=\"display: inline-block; color: white; padding: 10px 20px; text-decoration: none; border-radius: 4px;\">View Advisory Details<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Security Update News Update Information Title CISA Warns of Suspected Broader SaaS Attacks Exploiting App Secrets and Cloud Misconfigs Update ID THN:B85A3129C0474614979C54506225F25C Type thn Published&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[6,8,19,12,15,13,7,11,43,5],"class_list":["post-5801","post","type-post","status-publish","format-standard","hentry","category-category_news","tag-cve","tag-cvss","tag-cvss-87","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-thn","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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