CVE-2021-33690

CRITICAL EXPLOITED NUCLEI

SAP NetWeaver Development Infrastructure Component Build Service 7.11-7.50 - Server-Side Request Forgery

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-33690 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including redrays-io. A Nuclei detection template is also available.

AI-analyzed exploit summary The repository provides a detailed technical description of CVE-2021-33690, an SSRF vulnerability in SAP NetWeaver Development Infrastructure. It includes a specific HTTP request to test for the vulnerability and explains the conditions under which the vulnerability can be exploited.

Description

Server-Side Request Forgery (SSRF) vulnerability has been detected in the SAP NetWeaver Development Infrastructure Component Build Service versions - 7.11, 7.20, 7.30, 7.31, 7.40, 7.50The SAP NetWeaver Development Infrastructure Component Build Service allows a threat actor who has access to the server to perform proxy attacks on server by sending crafted queries. Due to this, the threat actor could completely compromise sensitive data residing on the Server and impact its availability.Note: The impact of this vulnerability depends on whether SAP NetWeaver Development Infrastructure (NWDI) runs on the intranet or internet. The CVSS score reflects the impact considering the worst-case scenario that it runs on the internet.

Exploits (1)

nomisec WRITEUP
by redrays-io · infoleak
https://github.com/redrays-io/CVE-2021-33690

The repository provides a detailed technical description of CVE-2021-33690, an SSRF vulnerability in SAP NetWeaver Development Infrastructure. It includes a specific HTTP request to test for the vulnerability and explains the conditions under which the vulnerability can be exploited.

Classification
Writeup 90%
Attack Type
Ssrf
Complexity
Moderate
Reliability
Reliable
Target: SAP NetWeaver Development Infrastructure Component Build Service versions 7.11, 7.20, 7.30, 7.31, 7.40, 7.50
Auth required
Prerequisites: Server access · Crafted HTTP request
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Nuclei Templates (1)

SAP NetWeaver Development Infrastructure - Server Side Request Forgery
CRITICALVERIFIEDby DhiyaneshDK
Shodan: html:"SAP NetWeaver" || http.html:"sap netweaver"
FOFA: body="sap netweaver"

References (2)

Core 2
Core References
Permissions Required x_refsource_misc
https://launchpad.support.sap.com/#/notes/3072955

Scores

CVSS v3 9.9
EPSS 0.6770
EPSS Percentile 99.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

VulnCheck KEV 2024-01-22
CWE
CWE-918
Status published
Products (6)
sap/netweaver_development_infrastructure 7.11
sap/netweaver_development_infrastructure 7.20
sap/netweaver_development_infrastructure 7.30
sap/netweaver_development_infrastructure 7.31
sap/netweaver_development_infrastructure 7.40
sap/netweaver_development_infrastructure 7.50
Published Sep 15, 2021
Tracked Since Feb 18, 2026