CVE•Published 2021-09-07•Modified 2026-09-22•1 article on news•5 live references•NVD data
CVE-2021-40143Sonatype · Nexus_repository_manager
Vulnerability data via NVD (ingested)
CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS percentile
83
Exploit Prediction Scoring System · top 17% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2021-09-07
Modified 2026-09-22
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2021-40143Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Sonatype Nexus Repository Manager"All exposed Sonatype Nexus Repository Manager instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Nexus Repository Manager"HTTP body or banner mentions "Nexus Repository Manager" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2021-40143Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-40143Censys host search filtered to this CVE id.
grep.app
CVE-2021-40143Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-40143GitHub code search for direct mentions.
Google dork
"CVE-2021-40143" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2021-40143 on GitHub.