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Fencer Vulns
critical 9.9

CVE-2021-33690 in the critical feed json

Server-Side Request Forgery (SSRF) vulnerability has been detected in the SAP NetWeaver Development Infrastructure Component Build Service…

published 2021-09-15 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20367

cvss
9.9
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
69.1%
EPSS 69.1% chance of exploitation in 30 days, percentile 99.3%
public exploits
0
none known, plus a Nuclei check

Summary

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.

Patch / fix

Exploit prediction

69.08% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template SAP NetWeaver Development Infrastructure - Server Side Request Forgery nuclei detection template

CVSS scores

assigned by version score vector
CNA 3.0 9.9 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • SAP SE SAP NetWeaver Development Infrastructure (Component Build Service)

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.