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onyx --cves cve-2021-41773

CVE-2021-41773

N/AKEVNUCLEI ↗Apache HTTP Server
score
<0.1
cvss
—
epss
100.0%
published
—
kev added
2021-11-03
first seen

Apache HTTP Server contains a path traversal vulnerability that allows an attacker to perform remote code execution if files outside directories configured by Alias-like directives are not under default �require all denied� or if CGI scripts are enabled. The original patch issued under this CVE ID is insufficient, please review remediation information under CVE-2021-42013.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2021-11-03 — Added to CISA KEVK2026-10-21 (seen by) — Tracked by OnyxT2026-10-21 (seen by) — Nuclei template: Apache 2.4.49 - Path Traversal and Remote Code ExecutionNscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 100.0%2026-09-23: epss 100.0%2026-09-24: epss 100.0%2026-09-25: epss 100.0%2026-09-26: epss 100.0%2026-09-27: epss 100.0%2026-09-28: epss 100.0%2026-09-29: epss 100.0%2026-09-30: epss 100.0%2026-10-01: epss 100.0%2026-10-02: epss 100.0%2026-10-03: epss 100.0%2026-10-04: epss 100.0%2026-10-05: epss 100.0%2026-10-06: epss 100.0%2026-10-07: epss 100.0%2026-10-08: epss 100.0%2026-10-09: epss 100.0%2026-10-10: epss 100.0%2026-10-11: epss 100.0%2026-10-12: epss 100.0%2026-10-13: epss 100.0%2026-10-14: epss 100.0%2026-10-15: epss 100.0%2026-10-16: epss 100.0%2026-10-18: epss 100.0%2026-10-19: epss 100.0%2026-10-20: epss 100.0%2026-10-21: epss 100.0%100.0%mentions/day0no mentions in 30 days2026-09-22today
  1. Added to CISA KEV
  2. Tracked by Onyx
  3. Nuclei template Apache 2.4.49 - Path Traversal and Remote Code Execution

Nuclei template

A verified check exists — you can scan for this today, and so can everyone else.

template
Apache 2.4.49 - Path Traversal and Remote Code Execution
severity
HIGH
first seen
nuclei -id CVE-2021-41773 -u https://target.example

Weaknesses

CWE-22

References 1