{"cve":"CVE-2021-40143","nvd":{"published":"2021-09-07T20:15:08.467","modified":"2026-09-22T18:12:20.300","status":"Analyzed","description":"Sonatype Nexus Repository 3.x through 3.33.1-01 is vulnerable to an HTTP header injection. By sending a crafted HTTP request, a remote attacker may disclose sensitive information or request external resources from a vulnerable instance.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","score":8.2},"cwes":["CWE-74"],"references":["https://issues.sonatype.org/secure/ReleaseNote.jspa","https://support.sonatype.com/hc/en-us/articles/4405941762579","https://issues.sonatype.org/secure/ReleaseNote.jspa","https://support.sonatype.com/hc/en-us/articles/4405941762579"],"products":["sonatype:nexus_repository_manager"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-40143","score":0.02322,"percentile":0.83473,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-f34x-8pf6-qc9c","url":"https://osv.dev/vulnerability/GHSA-f34x-8pf6-qc9c","summary":"HTTP header injection in Sonatype Nexus Repository","modified":"2023-11-08T04:06:46.479030Z","packages":[{"ecosystem":"Maven","name":"org.sonatype.nexus:nexus-repository","purl":"pkg:maven/org.sonatype.nexus/nexus-repository","ranges":[">=3.0.0 <3.34.0-01"],"fixed":["3.34.0-01"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}