{"answers":{"affected":"It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47752 exists.","fix":"No fix has been published for CVE-2021-47752 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-47752 is a high-severity denial of service vulnerability in Sylkat-Tools AWebServer GhostBuilding, published on 15 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-47752 and fix it if it is affected.\n\nWhat it is: CVE-2021-47752 is a high-severity denial of service vulnerability in Sylkat-Tools AWebServer GhostBuilding, published on 15 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47752 exists.\n\nAffected product: Sylkat-Tools AWebServer GhostBuilding. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2021-47752/ (Markdown: https://insights.sbomify.com/CVE-2021-47752/index.md)","id":"CVE-2021-47752","markdown":"https://insights.sbomify.com/CVE-2021-47752/index.md","name":"CVE-2021-47752","record":{"aliases":["GHSA-hw2r-j4x3-h8j6"],"analysis":{"component_type":"server_software","fix_type":"no_fix_stated","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Web server software","requires_auth":"none","summary":"Remote attackers can crash the AWebServer GhostBuilding 18 web server by sending high-volume concurrent HTTP requests to various endpoints.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","cpe":[{"product":"awebserver","vendor":"sylkat-tools"}],"cvss":{"score":8.7,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-770","name":"Allocation of Resources Without Limits or Throttling"}],"description":"AWebServer GhostBuilding 18 contains a denial of service vulnerability that allows remote attackers to overwhelm the server by sending multiple concurrent HTTP requests. Attackers can generate high-volume requests to multiple endpoints including /mysqladmin to potentially crash or render the service unresponsive.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":null,"headline":"AWebServer GhostBuilding 18 - Denial of Service (DoS)","id":"CVE-2021-47752","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"denial_of_service","year":"2021"},"n_packages":0,"n_references":3,"next":{"headline":"phpKF CMS 3.00 Beta y6 - Remote Code Execution (RCE) (Unauthenticated)","id":"CVE-2021-47753"},"packages":[],"prev":{"headline":"CuteEditor for PHP 6.6 - Directory Traversal","id":"CVE-2021-47751"},"products":["AWebServer GhostBuilding"],"published":"2026-01-15","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-04-07","vendors":["Sylkat-Tools"]},"summary":"Remote attackers can crash the AWebServer GhostBuilding 18 web server by sending high-volume concurrent HTTP requests to various endpoints.","url":"https://insights.sbomify.com/CVE-2021-47752/"}