PULSE
LIVE37signals / 24h
ES
FEED
ransomgunra reclama a Dissinger and Dissinger Law Firm · US · Business Servicesransomplay reclama a Boston Electric and Telephone · US · Telecommunicationransomplay reclama a Wring Group · GB · Not Foundransomincransom reclama a asa-international.com · GB · Business Servicesransomplay reclama a AG Scholtes · NL · Manufacturingransomplay reclama a Andorra Life · AD · Healthcareransomplay reclama a Svensk Direktreklam · SE · Business Servicesransomchaos reclama a radiax.com · US · Technologyransominterlock reclama a Converting Equipment International · GB · Manufacturingransomblack x reclama a sanaa · YE · Not Foundransomthegentlemen reclama a Tangram Interiors · GB · Business Servicesransomthegentlemen reclama a BRAC · BD · Business Servicesransomthegentlemen reclama a Customs Watch · US · Public Sectorransomthegentlemen reclama a Gallant · FI · Not Foundransomgunra reclama a Dissinger and Dissinger Law Firm · US · Business Servicesransomplay reclama a Boston Electric and Telephone · US · Telecommunicationransomplay reclama a Wring Group · GB · Not Foundransomincransom reclama a asa-international.com · GB · Business Servicesransomplay reclama a AG Scholtes · NL · Manufacturingransomplay reclama a Andorra Life · AD · Healthcareransomplay reclama a Svensk Direktreklam · SE · Business Servicesransomchaos reclama a radiax.com · US · Technologyransominterlock reclama a Converting Equipment International · GB · Manufacturingransomblack x reclama a sanaa · YE · Not Foundransomthegentlemen reclama a Tangram Interiors · GB · Business Servicesransomthegentlemen reclama a BRAC · BD · Business Servicesransomthegentlemen reclama a Customs Watch · US · Public Sectorransomthegentlemen reclama a Gallant · FI · Not Found
← All CVEs
CVE Watch—

CVE-2021-40438

Apache HTTP Server-Side Request Forgery (SSRF)

CVSS

—

No CVSS

EPSS

100.0%

p100

KEV

YES

Dec 1, 2021

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d
100.0%EPSS · 30 days100.0%
2026-06-302026-07-16
KEV catalog record

Product

Apache / Apache

Vulnerability

Apache HTTP Server-Side Request Forgery (SSRF)

Added to KEV

Dec 1, 2021

Remediate by

Dec 15, 2021

Known ransomware use

No

Summary description

A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-40438

Related CVEs

No related CVEs by CWE or product.