Exploited Vulnerabilities DailyCVE-2021-41773: Apache HTTP Server
EPSS99.9%No. 52 of 1739 in KEV
CVE year2021listed the same year
Same vendor in KEV41
Same product4
| Field | Value |
|---|---|
| Vendor | Apache |
| Product | HTTP Server |
| Name | Apache HTTP Server Path Traversal Vulnerability |
| Added to KEV | 2021-11-03 |
| US federal due date | 2021-11-17 |
| Ransomware use | Known |
| CWE | CWE-22 |
CISA description
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.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2024-38475 | Apache HTTP Server | 2025-05-01 | 99.9% | Unknown |
| CVE-2021-42013 | Apache HTTP Server | 2021-11-03 | 99.9% | Known |
| CVE-2019-0211 | Apache HTTP Server | 2021-11-03 | 65.0% | Unknown |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Apache HTTP Server vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2021-11-03.