KEV Entry

CVE-2021-40438

Known Exploited Vulnerability Entry External Catalog

Back to Catalog View Vulnerability
Entry Details
Confirmed Exploited

CVE-2021-40438

2021-12-01 00:00 UTC

Timestamps

2021-12-01

2021-12-01

Scope

KEVIntel entry: mod_proxy SSRF | Affected: Apache Software Foundation / Apache HTTP Server | CVSS: 9.0 (CRITICAL) | EPSS: 0.99999 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2021-40438', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-40438'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2021-40438'}

8f552444-6f2a-45f9-9d84-94f60fbb8aa9

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 11:13 UTC

2026-06-23 11:13 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2021-12-01T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 9.0,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.99997,
  "epss_score": 0.99999,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "Apache HTTP Server",
  "title": "mod_proxy SSRF",
  "used_in_malware": "unknown",
  "vendor": "Apache Software Foundation"
}
 -
Export Options
JSON Object JSON API View Full Catalog