Distribution A: Approved for Public Release (16 Feb 2021) NIWCLANT SPR# 2021-52 SCAP Compliance Checker Release Notes Aug 27, 2026 15:28:21 Naval Information Warfare Center (NIWC) Atlantic https://www.niwcatlantic.navy.mil/scap/ SCAP Compliance Checker 5.15 Features Added =============================================================================== Type IssueID Summary ------------------------------------------------------------------------------- Feature 33266 Add GUI and CLUI methods to accept all SSH hostkey changes (due to Key Exchange Algorithm update with updated libssh2) Feature 33265 Add command line parameter to verify ssh connections --verifySSHHost [HOSTID|ALL] Feature 33258 Redesign cscc --help page for easier usage, and examples all at the end Feature 33256 Update DISA CCI mappings based on 07-15-2026 release of CCI_List.xml Feature 33254 Update command line to not automatically refresh content directories on every launch to speed up get/set options parameters Feature 33253 Add new command line parameter '--refreshContent', which forces SCC to rescan content directories Feature 33247 Add NIWC developed STIG/SCAP benchmarks for F5 NGINX Feature 33244 Update RHEL based app whitelisting to work with new linux remote SSH platforms Feature 33233 Update Linux builds to use OS default file viewer (de-escalated) to view SCC's reports, vs custom SCC report viewer Feature 33231 Add Import and Export functionality to Manual Questions form Feature 33230 Consolidate Linux builds to a single x86_64 and single aarch64 build Feature 33229 Add NWIC created SCAP content for Tomcat Server 9 (RHEL and RHEL variants only) Feature 33228 Add NWIC created SCAP content for Microsoft Exchange 2019/SE Feature 33227 Add support for Amazon Linux 2023 Feature 33217 Update windows ntuser test based on OVAL 5.12.3 to add item/state element of 'user_has_signed_into_explorer' Feature 33216 Update SCC to save OVAL results in 5.12.3 Feature 33215 Add support for new OVAL 5.12.3 item creation behavior in XMLFileContent and TextFileConten54 tests Feature 33212 Update windows ntuser test based on OVAL 5.12.3 to support new 'item_creation' behavior Feature 33211 Add support for OVAL 5.12.3 Feature 33210 Update independent shellcommand to support new OVAL 5.12.3 behaviors of 'error_if_stderr_exists' and 'error_if_exit_status_not_0 Feature 33204 Update SCC's upgrade feature to install existing Deviations files from existing installation to new Feature 33199 Update SCC's upgrade feature to install existing Tailoring files from existing installation to new Feature 33193 Add option to share Tailoring file across different versions of SCAP benchmarks SCAP Compliance Checker 5.15 Defects Resolved =============================================================================== Type IssueID Summary ------------------------------------------------------------------------------- Defect 33269 Fix errors reported with SCAP 1.3 interoperability option to generate results even if content is N/A Defect 33264 Update SSH to add support for curve25519-sha256 Key Exchange (KEX) algorithms Defect 33261 Patch libssh2 v1.1.1 to resolve CVE-2025-15661, CVE 2026-15661, 55199, 55200, 58050, 58051, 66032, 66033, 66034, 66035 Defect 33236 Update XML schema validation to use non-DOM method to decrease memory usage Defect 33234 Update SSH scanning to support new linux Intel/AMD64 and arm/aarch64 based scanning (from OS specific methods) Defect 33226 Fix SCC crash on certain Windows 11 systems when gathering local security policy data Defect 33223 Fix Deviation import from GUI and CLUI to rename file to match expected format Defect 33220 Add error handling to report that most Exchange Server tests cannot be performed remotely due to system constraints Defect 33218 Add multiple attempts to save SCC's options.xml due to potential race condition/file lock by Windows Defender Defect 33213 Fix issues with CKLB file being imported into eMASS Defect 33209 SCC created CKL reports have issues when imported into STIG Viewer 3.x and exporting CSV output Defect 33207 Update Remote WMI/SSH scanning form to be more sizable Defect 33202 Fix issues with tailoring form and saving refine/set Values Defect 33201 Update deviations to be shared across versions of the same benchmarkID Defect 33200 Update Tailoring to perform partial matches (ignore DISA's embedded version in the ruleID) when sharing between content versions Defect 33198 Add option for windows ntuser to create items when an ntuser.dat file exists vs objects key/name Defect 33195 Improve window resizing for remote WMI/SSH scans Defect 33191 Fix command line -is, -isr, --checkForContentUpdates, --InstallUpdates to disable/move/del older content (if option is enabled) Defect 33137 Update OVAL XML Results schema location to: https://raw.githubusercontent.com/OVAL-Community/OVAL/refs/tags/v5.12.3/oval-schema Defect 33115 Update internal version of OpenSSL to version 3.6.3 dated 9 Jun 2026