{"id":"CVE-2021-40143","title":"Sonatype Nexus Repository 3.x through 3.33.1-01 is vulnerable to an HTTP header injection","summary":"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":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","cwe":["CWE-74"],"vendor":"sonatype","product":"nexus_repository_manager","affected":["nexus_repository_manager >= 3.0.0, < 3.34.1-01"],"patched":["nexus_repository_manager 3.34.1-01"],"published":"2021-09-07","updated":"2026-09-22","sourceUpdated":"2026-09-22T18:12:20.300","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-40143","references":[{"url":"https://issues.sonatype.org/secure/ReleaseNote.jspa","label":"cve@mitre.org"},{"url":"https://support.sonatype.com/hc/en-us/articles/4405941762579","label":"cve@mitre.org"},{"url":"https://issues.sonatype.org/secure/ReleaseNote.jspa","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.sonatype.com/hc/en-us/articles/4405941762579","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.02322,"epssPercentile":0.82731,"ingestedAt":"2026-09-22T19:09:09.959Z","slug":"CVE-2021-40143","body":"## Overview\n\nSonatype 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.\n\n## Affected\n\n- `nexus_repository_manager >= 3.0.0, < 3.34.1-01`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `nexus_repository_manager 3.34.1-01`","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":45.1,"likelihood":0.5,"exploitation":0,"ransomware":0},"changes":[]}