{"id":23056,"date":"2023-02-10T07:07:22","date_gmt":"2023-02-10T07:07:22","guid":{"rendered":"https:\/\/nsfocusglobal.com\/?p=23056"},"modified":"2026-04-17T18:07:42","modified_gmt":"2026-04-17T18:07:42","slug":"ibm-websphere-application-server-remote-code-execution-vulnerability-cve-2023-23477-notice","status":"publish","type":"post","link":"https:\/\/nsfocusglobal.com\/pt-br\/ibm-websphere-application-server-remote-code-execution-vulnerability-cve-2023-23477-notice\/","title":{"rendered":"IBM WebSphere Application Server Remote Code Execution Vulnerability (CVE-2023-23477) Notice"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><h2 class=\"wp-block-heading\">Overview<\/h2>\n\n\n\n<p>Recently, NSFOCUS CERT found that IBM officially fixed a remote code execution vulnerability in WebSphere Application Server (CVE-2023-23477). Due to the flaw in WebSphere Application Server&#8217;s validation of the data entered by users, under certain conditions, unauthenticated remote attackers can finally execute arbitrary code on the target server by constructing malicious serialized data. The CVSS score is 8.1. Affected users should take protective measures as soon as possible.<\/p>\n\n\n\n<p>Reference link:<\/p>\n\n\n\n<p><a href=\"https:\/\/www.ibm.com\/support\/pages\/node\/6891111\">https:\/\/www.ibm.com\/support\/pages\/node\/6891111<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Scope of Impact<\/h2>\n\n\n\n<p><strong>Affected version<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>v8.5.0.0 &lt;= WebSphere Application Server &lt;= v8.5.5.19<\/li><li>v9.0.0.0 &lt;= WebSphere Application Server &lt;= v9.0.5.7<\/li><\/ul>\n\n\n\n<p><strong>Unaffected version<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>WebSphere Application Server &gt;= 8.5.5.20<\/li><li>WebSphere Application Server &gt;= 9.0.5.8<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Detection<\/h2>\n\n\n\n<p>Relevant users can determine whether the current application is at risk through version detection. <\/p>\n\n\n\n<p>Method 1: Log in to the homepage of the websphere management platform to view the version information. If the currently used version is within the affected range, there may be security risks.<\/p>\n\n\n\n<p>Method 2: Enter\/opt\/IBM\/WebSphere\/AppServer\/bin directory and execute\/ VersionInfo.sh can view the current version. If the current version is in the affected range, there may be security risks.<\/p>\n\n\n\n<p class=\"has-cyan-bluish-gray-background-color has-background\">.\/versionInfo.sh<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2023\/02\/0210a.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"675\" src=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2023\/02\/0210a-1024x675.jpg\" alt=\"Red circular no entry sign with a white horizontal bar.\" class=\"wp-image-23058\" srcset=\"https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2023\/02\/0210a-1024x675.jpg 1024w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2023\/02\/0210a-300x198.jpg 300w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2023\/02\/0210a-768x506.jpg 768w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2023\/02\/0210a-600x396.jpg 600w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2023\/02\/0210a-200x132.jpg 200w, https:\/\/nsfocusglobal.com\/wp-content\/uploads\/2023\/02\/0210a.jpg 1057w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Mitigation<\/h2>\n\n\n\n<p>At present, the official update has been released to fix the vulnerability. Please install it for protection as soon as possible for affected users:<\/p>\n\n\n\n<p><a href=\"https:\/\/www.ibm.com\/support\/pages\/recommended-updates-websphere-application-server#\">https:\/\/www.ibm.com\/support\/pages\/recommended-updates-websphere-application-server#<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Statement<\/h2>\n\n\n\n<p>This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and\/or indirect consequences and losses caused by transmitting and\/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add\/delete any information to\/from it, or use this advisory for commercial purposes without permission from NSFOCUS.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">About NSFOCUS<\/h2>\n\n\n\n<p>NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyber attacks. The company&acirc;&euro;&trade;s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide multi-layered, unified and dynamic protection against advanced cyber attacks.<\/p>\n\n\n\n<p>NSFOCUS works with Fortune Global 500 companies, including four of the world&acirc;&euro;&trade;s five largest financial institutions, organizations in insurance, retail, healthcare, critical infrastructure industries as well as government agencies. NSFOCUS has technology and channel partners in more than 60 countries, is a member of both the Microsoft Active Protections Program (MAPP), and the Cloud Security Alliance (CSA).<\/p>\n\n\n\n<p>A wholly owned subsidiary of NSFOCUS Technologies Group Co., Ltd., the company has operations in the Americas, Europe, the Middle East and Asia Pacific.<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p>Overview Recently, NSFOCUS CERT found that IBM officially fixed a remote code execution vulnerability in WebSphere Application Server (CVE-2023-23477). Due to the flaw in WebSphere Application Server&#8217;s validation of the data entered by users, under certain conditions, unauthenticated remote attackers can finally execute arbitrary code on the target server by constructing malicious serialized data. The [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7760,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[3,6],"tags":[278,451],"class_list":["post-23056","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-emergency-response","tag-cve-2023-23477","tag-ibm"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>IBM WebSphere Application Server Remote Code Execution Vulnerability (CVE-2023-23477) Notice - NSFOCUS<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IBM WebSphere Application Server Remote Code Execution Vulnerability (CVE-2023-23477) Notice - 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