{"id":"CVE-2021-40143","aliases":["EUVD-2021-2046","GHSA-f34x-8pf6-qc9c"],"status":"published","title":"HTTP header injection in Sonatype Nexus Repository","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.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.02322,"percentile":0.83712,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-74"],"published":"2021-09-07T19:28:53Z","modified":"2026-10-24T10:30:15Z","fixes":[{"ecosystem":"Maven","package":"org.sonatype.nexus:nexus-repository","fixed_in":["3.34.0-01"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.sonatype.nexus:nexus-repository","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"last_affected":"3.33.1-01"},{"fixed":"3.34.0-01"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.sonatype.nexus:nexus-repository","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.34.0-01"}]}],"versions":["3.0.0-03","3.0.1-01","3.0.2-02","3.1.0-04","3.10.0-04","3.11.0-01","3.12.0-01","3.12.1-01","3.13.0-01","3.14.0-04","3.15.0-01","3.15.1-01","3.15.2-01","3.15.3-01","3.16.0-01","3.16.1-02","3.16.2-01","3.17.0-01","3.17.1-01","3.17.2-03","3.18.0-01","3.18.1-01","3.19.0-01","3.19.1-01","3.2.0-01","3.2.1-01","3.20.0-02","3.20.0-04","3.20.1-01","3.20.2-01","3.20.3-01","3.21.0-01","3.21.0-02","3.21.0-05","3.21.1-01","3.21.2-03","3.22.0-01","3.22.0-02","3.22.1-01","3.22.1-02","3.23.0-01","3.23.0-03","3.24.0-01","3.24.0-02","3.25.0-02","3.25.0-03","3.25.1-01","3.25.1-02","3.25.1-03","3.25.1-04","3.26.0-01","3.26.0-02","3.26.0-03","3.26.0-04","3.26.1-02","3.27.0-02","3.27.0-03","3.28.0-01","3.28.1-01","3.29.0-02","3.29.1-01","3.29.2-02","3.3.0-01","3.3.1-01","3.3.2-02","3.30.0-01","3.30.1-01","3.31.0-01","3.31.1-01","3.32.0-03","3.32.1-01","3.33.0-01","3.33.1-01","3.4.0-02","3.5.0-02","3.5.1-02","3.5.2-01","3.6.0-02","3.6.1-02","3.6.2-01","3.7.0-04","3.7.1-02","3.8.0-02","3.9.0-01"]}],"products":[{"vendor":"sonatype","product":"nexus_repository_manager"}],"references":[{"url":"https://issues.sonatype.org/secure/ReleaseNote.jspa","tags":["x_refsource_MISC","x_transferred","Not Applicable","web"]},{"url":"https://support.sonatype.com/hc/en-us/articles/4405941762579","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40143","tags":["advisory"]},{"url":"https://help.sonatype.com/repomanager3/release-notes/2021-release-notes","tags":["web"]},{"url":"https://github.com/advisories/GHSA-f34x-8pf6-qc9c"},{"url":"https://github.com/sonatype/nexus-public","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-40143","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.","status":"published","published":"2021-09-07T19:28:53Z","modified":"2024-08-04T02:27:31.862Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-2046","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.","status":"published","published":"2021-09-07T19:28:53Z","modified":"2024-08-04T02:27:31Z","updated_at":"2026-11-03T03:24:21.368958Z"}],"ghsa":[{"id":"GHSA-f34x-8pf6-qc9c","title":"HTTP header injection in Sonatype Nexus Repository","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.","status":"published","published":"2021-09-08T17:42:18Z","modified":"2023-02-01T05:06:18Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:36:38.281533Z"}],"nvd":[{"id":"CVE-2021-40143","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.","status":"published","published":"2021-09-07T20:15:08.467Z","modified":"2026-09-22T18:12:20.3Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:06:58.05696Z"}],"osv":[{"id":"CVE-2021-40143","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.","status":"published","published":"2021-09-07T20:15:08.467Z","modified":"2026-10-24T10:30:15.461479688Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:21.249056Z"},{"id":"GHSA-f34x-8pf6-qc9c","title":"HTTP header injection in Sonatype Nexus Repository","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.","status":"published","published":"2021-09-08T17:42:18Z","modified":"2023-11-08T04:06:46.47903Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T15:46:45.639885Z"}]}}