{"id":8439,"date":"2023-12-15T17:57:56","date_gmt":"2023-12-15T17:57:56","guid":{"rendered":"https:\/\/sekuritasit.com\/index.php\/2023\/12\/15\/jetbrains-teamcity-authentication-bypass-cve-2023-42793\/"},"modified":"2023-12-15T17:57:56","modified_gmt":"2023-12-15T17:57:56","slug":"jetbrains-teamcity-authentication-bypass-cve-2023-42793","status":"publish","type":"post","link":"https:\/\/sekuritasit.com\/index.php\/2023\/12\/15\/jetbrains-teamcity-authentication-bypass-cve-2023-42793\/","title":{"rendered":"JetBrains TeamCity Authentication Bypass (CVE-2023-42793)"},"content":{"rendered":"<p>What is the Attack?<br \/>\n Multiple cyberthreat actors seen exploiting the authentication bypass flaw in JetBrains TeamCity that could lead to remote code execution. If compromised, access to a TeamCity server would provide malicious actors with access to the software developer&#8217;s source code, signing certificates, and the ability to manipulate software compilation and deployment processes. The malicious actors could further use to conduct supply chain operations.<\/p>\n<p>What is the Vendor Solution?<\/p>\n<p>JetBrains released patch on September 18, 2023 to fix the affected TeamCity software on version 2023.05.4, which can be found here: https:\/\/www.jetbrains.com\/teamcity\/download\/other.html.<\/p>\n<p>What FortiGuard Coverage is available?<\/p>\n<p>FortiGuard Labs has an IPS signature &#8220;JetBrains.TeamCity.CVE-2023-42793.Authentication.Bypass&#8221; (with default action is set to &#8220;block&#8221;) in place and has released Antivirus signatures for the known and related malware to the campaigns targeting the vulnerability (CVE-2023-42793).<a href=\"https:\/\/fortiguard.fortinet.com\/threat-signal-report\/5351\" target=\"_blank\" class=\"feedzy-rss-link-icon\" rel=\"noopener\">Read More<\/a>\u00a0<\/p>","protected":false},"excerpt":{"rendered":"<p>What is the Attack? Multiple cyberthreat actors seen exploiting the authentication bypass flaw in JetBrains TeamCity that could lead to remote code execution. If compromised, access to a TeamCity server would provide malicious actors with access to the software developer&#8217;s source code, signing certificates, and the ability to manipulate software compilation and deployment processes. The [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8439","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"What is the Attack? Multiple cyberthreat actors seen exploiting the authentication bypass flaw in JetBrains TeamCity that could lead to remote code execution. If compromised, access to a TeamCity server would provide malicious actors with access to the software developer&#039;s source code, signing certificates, and the ability to manipulate software compilation and deployment processes. The\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/sekuritasit.com\/index.php\/2023\/12\/15\/jetbrains-teamcity-authentication-bypass-cve-2023-42793\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Sekuritas IT \u203a Creative solutions to unique challenges.\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"JetBrains TeamCity Authentication Bypass (CVE-2023-42793) \u203a Sekuritas IT\" \/>\n\t\t<meta property=\"og:description\" content=\"What is the Attack? Multiple cyberthreat actors seen exploiting the authentication bypass flaw in JetBrains TeamCity that could lead to remote code execution. If compromised, access to a TeamCity server would provide malicious actors with access to the software developer&#039;s source code, signing certificates, and the ability to manipulate software compilation and deployment processes. 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