{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2020-26887 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2020-26887 yet. Limit exposure of the affected software until one is available.","what":"CVE-2020-26887 is a high-severity vulnerability in n/a, published on 23 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2020-26887 and fix it if it is affected.\n\nWhat it is: CVE-2020-26887 is a high-severity vulnerability in n/a, published on 23 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2020-26887 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-2020-26887/ (Markdown: https://insights.sbomify.com/CVE-2020-26887/index.md)","id":"CVE-2020-26887","markdown":"https://insights.sbomify.com/CVE-2020-26887/index.md","name":"CVE-2020-26887","record":{"aliases":["GHSA-fx9w-88ff-gqvq"],"analysis":{"component_type":"network_device","fix_type":"upgrade","impacts":["security_bypass"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"FRITZ!Box router","requires_auth":"low_privilege","summary":"Attackers can bypass DNS Rebinding protection on FRITZ!Box devices, potentially exposing internal network services.","user_interaction":"not_required","vuln_class":"security_feature_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"fritz\\!box_7490_firmware","vendor":"avm"}],"cvss":{"score":7.8,"severity":"high","source":"nvd","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[],"description":"FRITZ!OS before 7.21 on FRITZ!Box devices allows a bypass of a DNS Rebinding protection mechanism.","ecosystems":[],"exploits":{"exploitdb":1,"first_seen":"2020-12-18","github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[{"date":"2020-12-18","kind":"exploitdb","ref":"49293","stars":null,"title":"FRITZ!Box 7.20 - DNS Rebinding Protection Bypass"}],"tier":"poc_unverified"},"has_fix":null,"headline":"Security feature bypass in n/a","id":"CVE-2020-26887","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"security_feature_bypass","year":"2020"},"n_packages":0,"n_references":3,"next":{"headline":"Denial of service attack due to invalid JSON","id":"CVE-2020-26890"},"packages":[],"prev":{"headline":"Code injection in n/a","id":"CVE-2020-26886"},"products":["n/a"],"published":"2020-10-23","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":"FIRST CVSS licence","name":"CVSS (FIRST)"},{"class":"attribution","licence":"GPL-2.0-or-later","name":"Exploit-DB"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-04","vendors":["n/a"]},"summary":"Attackers can bypass DNS Rebinding protection on FRITZ!Box devices, potentially exposing internal network services.","url":"https://insights.sbomify.com/CVE-2020-26887/"}