CVE report

CVE-2021-28169medium

Eclipse Jetty ConcatServlet - Information Disclosure

Events 7d

2,423

Distinct IPs

639

Severity

medium

CISA KEV

Not listed

Daily probe volume (last 7 days)

peak: 397
2026-05-14: 108 events05-142026-05-15: 397 events05-152026-05-16: 386 events05-162026-05-17: 289 events05-172026-05-18: 289 events05-182026-05-19: 322 events05-192026-05-20: 350 events05-202026-05-21: 282 events05-21

Downloads & integrations

Top sources probing for CVE-2021-28169

URL patterns we match

An event counts toward CVE-2021-28169 if its URL path contains any of these substrings (case-insensitive).

  • /static
  • /concat