{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2021-45884 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2021-45884 yet. Limit exposure of the affected software until one is available.","what":"CVE-2021-45884 is a high-severity vulnerability in n/a, published on 27 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-45884 and fix it if it is affected.\n\nWhat it is: CVE-2021-45884 is a high-severity vulnerability in n/a, published on 27 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2021-45884 in the wild and no public exploit code.\n\nAffected product: n/a. 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-2021-45884/ (Markdown: https://insights.sbomify.com/CVE-2021-45884/index.md)","id":"CVE-2021-45884","markdown":"https://insights.sbomify.com/CVE-2021-45884/index.md","name":"CVE-2021-45884","record":{"aliases":["GHSA-7q5w-r799-frgq"],"analysis":{"component_type":"browser","fix_type":"patch","impacts":["data_read"],"network_reachable":"yes","non_default_config":true,"product_category":"Brave Desktop browser","requires_auth":"none","summary":"Attackers can leak DNS requests outside the proxy when specific adblocking and proxy settings are enabled, exposing user browsing activity.","user_interaction":"not_required","vuln_class":"information_disclosure"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"brave","vendor":"brave"}],"cvss":{"score":7.5,"severity":"high","source":"nvd","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"cwes":[{"id":"CWE-200","name":"Exposure of Sensitive Information to an Unauthorized Actor"}],"description":"In Brave Desktop 1.17 through 1.33 before 1.33.106, when CNAME-based adblocking and a proxying extension with a SOCKS fallback are enabled, additional DNS requests are issued outside of the proxying extension using the system's DNS settings, resulting in information disclosure. NOTE: this issue exists because of an incomplete fix for CVE-2021-21323 and CVE-2021-22916.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"Information disclosure in n/a","id":"CVE-2021-45884","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"information_disclosure","year":"2021"},"n_packages":0,"n_references":4,"next":{"headline":"Information disclosure in n/a","id":"CVE-2021-45885"},"packages":[],"prev":{"headline":"Missing authorization in n/a","id":"CVE-2021-45878"},"products":["n/a"],"published":"2021-12-27","related":[{"cvss_score":6.5,"headline":"Denial of service in n/a","id":"CVE-2022-47932","kev_date_added":null,"published":"2022-12-24"},{"cvss_score":6.5,"headline":"Denial of service in n/a","id":"CVE-2022-47933","kev_date_added":null,"published":"2022-12-24"},{"cvss_score":6.5,"headline":"Denial of service in n/a","id":"CVE-2022-47934","kev_date_added":null,"published":"2022-12-24"},{"cvss_score":6.5,"headline":"Denial of service in n/a","id":"CVE-2018-10798","kev_date_added":null,"published":"2018-05-07"},{"cvss_score":6.5,"headline":"Denial of service in n/a","id":"CVE-2018-10799","kev_date_added":null,"published":"2018-05-07"},{"cvss_score":6.5,"headline":"Other in n/a","id":"CVE-2017-8458","kev_date_added":null,"published":"2017-05-03"}],"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":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-04","vendors":["n/a"]},"summary":"Attackers can leak DNS requests outside the proxy when specific adblocking and proxy settings are enabled, exposing user browsing activity.","url":"https://insights.sbomify.com/CVE-2021-45884/"}