{"id":567,"date":"2025-05-27T12:53:08","date_gmt":"2025-05-27T18:53:08","guid":{"rendered":"https:\/\/blog.xbytecloud.com\/?p=567"},"modified":"2025-05-27T13:00:30","modified_gmt":"2025-05-27T19:00:30","slug":"upgrading-from-adobe-coldfusion-2021-to-coldfusion-2023-preparing-for-end-of-support-and-next-steps","status":"publish","type":"post","link":"https:\/\/www.xbytecloud.com\/blog\/upgrading-from-adobe-coldfusion-2021-to-coldfusion-2023-preparing-for-end-of-support-and-next-steps\/","title":{"rendered":"Upgrading from Adobe ColdFusion 2021 to ColdFusion 2023: Preparing for End of Support and Next Steps"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">As Adobe ColdFusion&nbsp;2021 approaches its end of core support on <strong>November&nbsp;10,&nbsp;2025<\/strong>, organizations must begin migration planning now to maintain security, compliance, and performance. This guide walks you through the key dates, reasons to upgrade, and a focused path from CF&nbsp;2021 to CF&nbsp;2023.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Note that Adobe does offer what they call extended support through November 10, 2026, but extended support only means they will help you migrate.&nbsp; No patches or updates will be given.&nbsp; Charlie Arehart does a good job explaining this in his <a href=\"https:\/\/www.carehart.org\/blog\/2025\/1\/9\/coldfusion2021_end_of_life_nov_2025\">2021 EOL blog<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why You Shouldn\u2019t Stay on ColdFusion&nbsp;2021 After End of Support<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Over the past year, we have seen more frequent security updates.&nbsp; While this is a welcome change, it reinforces the importance of assessing your current ColdFusion deployments and ensuring you\u2019re a supported version.&nbsp;<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Security Exposure<\/strong><br>No new patches mean potential exposure to published CVEs and exploitable holes.<\/li>\n\n\n\n<li><strong>Regulatory Compliance<\/strong><br>Standards like PCI, HIPAA, and GDPR require supported and up\u2011to\u2011date platforms.<\/li>\n\n\n\n<li><strong>Platform Compatibility<\/strong><br>Future OS, Java, and cloud\u2011service updates may break CF\u00a02021 installations.<\/li>\n\n\n\n<li><strong>Diminishing Ecosystem<\/strong><br>Community forums, plugins, and third\u2011party tools will shift focus to supported releases.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Key New Features Introduced in ColdFusion&nbsp;2023<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Enhanced Cloud Integration:<\/strong> Native connectors for Google Cloud Platform services (Firestore, Pub\/Sub), AWS, and Azure enable scalable, event-driven architectures.<\/li>\n\n\n\n<li><strong>Central Configuration Server (CCS):<\/strong> A unified control plane to manage configurations across multiple ColdFusion instances and clusters.<\/li>\n\n\n\n<li><strong>Advanced Security Controls:<\/strong> Built-in JSON Web Token (JWT) support for stateless authentication, plus deeper Single Sign\u2011On integrations (LDAP, SAML) for unified identity management.<\/li>\n\n\n\n<li><strong>Revamped PDF Engine:<\/strong> Faster, more accurate HTML\u2011to\u2011PDF conversion that preserves complex layouts, CSS, and font rendering.<\/li>\n\n\n\n<li><strong>GraphQL Client &amp; OpenAPI Support:<\/strong> Native CFML APIs to consume GraphQL and OpenAPI endpoints seamlessly, simplifying data fetching and API integrations.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For full details on these 2023 features and enhancements, see Adobe\u2019s official What\u2019s&nbsp;New guide. (<a href=\"https:\/\/helpx.adobe.com\/coldfusion\/using\/whats-new-2023.html\">helpx.adobe.com<\/a>).&nbsp; You can also view Charlie Arehart\u2019s video <a href=\"https:\/\/www.youtube.com\/watch?v=wANpGRciQzw\">Hidden Gems in ColdFusion<\/a> for even more features.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Gotchas: Breaking changes in ColdFusion&nbsp;2023<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you are on ColdFusion 2021 Update 12 or earlier, this section is very important for you to read.&nbsp; Adobe normally goes out of their way, so they don\u2019t break existing code, but they had to break character recently to enhance security.&nbsp; xByte Cloud CTO, Dakota Clum, and Charlie Arehart talked about their real world experiences with these ColdFusion changes on a recent episode of<a href=\"https:\/\/blog.xbytecloud.com\/recent-adobe-coldfusion-2021-2023-updates-real-world-experiences\/\"> Cloud Experts Unleashed<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Implicit Scope Security Changes (CF 2023 Update&nbsp;7 \/ CF 2021 Update&nbsp;13)<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Why this matters:<\/strong> CF&nbsp;2023 Update&nbsp;7 (and CF&nbsp;2021 Update&nbsp;13) disable implicit variable lookups across FORM, URL, CGI, COOKIE, CFFile, and CLIENT scopes by default, throwing errors for unscoped variables.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Remediation<\/strong>: Prefix all variables explicitly (e.g. form.userID, url.page).<\/li>\n\n\n\n<li><strong>Temporary Workaround (strongly advised to only do it temporarily or during testing)<\/strong>:\n<ul class=\"wp-block-list\">\n<li><strong>JVM Flag<\/strong>: -Dcoldfusion.searchimplicitscopes=true<\/li>\n\n\n\n<li><strong>Application Setting<\/strong> (Application.cfc pseudo\u2011constructor, outside methods):<\/li>\n\n\n\n<li>this.searchImplicitScopes = true;<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Discovery Tool<\/strong>: Drop Adobe\u2019s hotfix JAR into cf_root\/lib\/updates to log each runtime occurrence of implicit\u2011scope lookups, then review logs for remediation priorities.\u00a0 For more information on this loggig, checkout Charlie Arehart\u2019s write on his <a href=\"https:\/\/www.carehart.org\/blog\/2024\/7\/18\/dont_miss_helpful_feature_identify_implicit_scopes\">Follow-up onMarch 2024 CF update blog<\/a>.<\/li>\n\n\n\n<li><strong>For those needing help fixing their code: <\/strong><a href=\"https:\/\/www.petefreitag.com\/blog\/fixinator-unscoped-variable\/\">Foundeo\u2019s Fixinator can now help fix unscoped variable issues in your code<\/a>.\u00a0 It will scan you code and then suggest options to fix it.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Default Encryption Changes (CF 2023 Update&nbsp;8 \/ CF 2021 Update&nbsp;14)<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Why this matters:<\/strong> CF&nbsp;2023 Update&nbsp;8 (and CF&nbsp;2021 Update&nbsp;14) change the default encryption algorithm from CFMX_COMPAT to stronger options (AES\/CBC\/PKCS5Padding, SHA\u2011256, etc.), affecting encrypt(), decrypt(), hash(), and random functions.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Remediation<\/strong>: Explicitly specify CFMX_COMPAT in your existing calls:<\/li>\n\n\n\n<li>encrypt(myData, myKey, &#8220;CFMX_COMPAT&#8221;);<\/li>\n\n\n\n<li>decrypt(storedData, myKey, &#8220;CFMX_COMPAT&#8221;);<\/li>\n\n\n\n<li><strong>Temporary Workaround (strongly advised to only do it temporarily or during testing)<\/strong>: JVM argument to retain legacy default:<br>-Dcoldfusion.encryption.useCFMX_COMPATAsDefault=TRUE<\/li>\n\n\n\n<li><strong>Data Migration<\/strong>: Decrypt stored payloads with CFMX_COMPAT and re\u2011encrypt using the new algorithms, then remove explicit arguments as you adopt the stronger defaults.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">As you continue planning your upgrade path, it\u2019s important to also review <a href=\"https:\/\/helpx.adobe.com\/coldfusion\/deprecated-features.html\">Adobe ColdFusion\u2019s Deprecated Feature<\/a> page that highlights deprecated, unsupported and removed features within ColdFusion to see if your application may be impacted.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step\u2011by\u2011Step Migration Checklist<\/strong><\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Inventory &amp; Assessment<\/strong><br>Catalog all CF\u00a02021 apps, tags, and CFML functions in use (especially encrypt, decrypt, unscoped tags).<\/li>\n\n\n\n<li><strong>Static Analysis<\/strong><br>Run ColdFusion Security Code Analyzer (CF Builder \/ VSCode) or Pete\u00a0Freitag\u2019s Fixinator to locate unscoped variables and insecure crypto calls.<\/li>\n\n\n\n<li><strong>Runtime Validation<\/strong><br>Deploy Adobe\u2019s implicit\u2011scope\u2011logging JAR on a staging instance to help assess usage of unscoped variables within your application.<\/li>\n\n\n\n<li><strong>Code Remediation<\/strong>\n<ul class=\"wp-block-list\">\n<li>Scope every variable as a best practice.<\/li>\n\n\n\n<li>Update any calls relying on ColdFusion\u2019s encryption\/decryption\/hashing functions to include the algorithm argument where required or re-write logic within your app to utilize newer algorithms available within these functions.<\/li>\n\n\n\n<li>Replace any deprecated CFML per Adobe\u2019s documentation.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Data Migration<\/strong><br>For encrypted data at rest, decrypt with CFMX_COMPAT, re\u2011encrypt with the new default, and update calls accordingly.<\/li>\n\n\n\n<li><strong>Parallel Install &amp; Testing<\/strong><br>Stand up <a href=\"https:\/\/learn.xbytecloud.com\/t\/how-to-switch-between-coldfusion-versions-side-by-side-cf-installation\/133\">CF\u00a02023 alongside CF\u00a02021<\/a>, deploy remediated code, and perform thorough functional and security tests.<\/li>\n\n\n\n<li><strong>Production Cut\u2011Over &amp; Monitoring<\/strong><br>Switch traffic to CF\u00a02023, monitor logs for errors, and remove any temporary flags or JAR patches once cleanup is complete.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Hosting Considerations \u2013 Consider making the switch to xByte&nbsp;Cloud<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Since you are going to be updating and testing code during an update to ColdFusion, many companies use this as an opportunity to explore their <a href=\"https:\/\/www.xbytecloud.com\/hosting\/coldfusion-cloud-hosting\">ColdFusion hosting<\/a> needs and consider options.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">xByte&nbsp;Cloud specializes in ColdFusion migrations:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Engine\u2011Tuned Environments<\/strong>: JVM and connector settings optimized for CF\u00a02023.<\/li>\n\n\n\n<li><strong>Automated Patching<\/strong>: Ensures each CF update is applied when convenient for you.<\/li>\n\n\n\n<li><strong>Security Hardening<\/strong>: Lockdown profiles, intrusion monitoring, and routine vulnerability scans.<\/li>\n\n\n\n<li><strong>Expert Support<\/strong>: 24\u00d77 CF\u2011specialist engineers guiding you through each update and cut\u2011over.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Partnering with xByte&nbsp;Cloud lets your team focus on development, while expert operations ensure a secure, compliant migration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion &amp; Next Steps<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The clock is ticking on ColdFusion&nbsp;2021\u2019s support lifecycle. By following this focused CF&nbsp;2021 \u2192 CF&nbsp;2023 path\u2014inventory, analyze, remediate, migrate, and test\u2014you\u2019ll maintain security, compliance, and performance beyond November&nbsp;2025. Engage with a hosting partner like xByte&nbsp;Cloud to handle complex update orchestration and schedule your migration milestones now to meet your November&nbsp;2025 deadline.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As Adobe ColdFusion&nbsp;2021 approaches its end of core support on November&nbsp;10,&nbsp;2025, organizations must begin migration [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":574,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[18],"tags":[],"class_list":["post-567","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-coldfusion"],"_links":{"self":[{"href":"https:\/\/www.xbytecloud.com\/blog\/wp-json\/wp\/v2\/posts\/567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xbytecloud.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xbytecloud.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xbytecloud.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xbytecloud.com\/blog\/wp-json\/wp\/v2\/comments?post=567"}],"version-history":[{"count":1,"href":"https:\/\/www.xbytecloud.com\/blog\/wp-json\/wp\/v2\/posts\/567\/revisions"}],"predecessor-version":[{"id":571,"href":"https:\/\/www.xbytecloud.com\/blog\/wp-json\/wp\/v2\/posts\/567\/revisions\/571"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xbytecloud.com\/blog\/wp-json\/wp\/v2\/media\/574"}],"wp:attachment":[{"href":"https:\/\/www.xbytecloud.com\/blog\/wp-json\/wp\/v2\/media?parent=567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xbytecloud.com\/blog\/wp-json\/wp\/v2\/categories?post=567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xbytecloud.com\/blog\/wp-json\/wp\/v2\/tags?post=567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}