Which products and versions are affected by CVE-2021-33690?

Affected: Netweaver Development Infrastructure (Sap) versions 7.11, 7.20, 7.30, 7.31, 7.40, 7.50; SAP NetWeaver Development Infrastructure (Component Build Service) versions >= < 7.11. The full list is in the CVE brief.

Is CVE-2021-33690 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Dec 10, 2023.

Is CVE-2021-33690 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2021-33690?

No public exploit code is known.

Is there a fix for CVE-2021-33690?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2021-33690 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2021-33690

Q: Is CVE-2021-33690 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Dec 10, 2023.

Q: Is CVE-2021-33690 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Q: Is there a public exploit for CVE-2021-33690?

No public exploit code is known.

Q: Is there a fix for CVE-2021-33690?

No fixed version is listed yet; check the vendor advisory for mitigations.

Q: How urgently should CVE-2021-33690 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CriticalExploited

Published Sep 15, 2021 · Updated Nov 21, 2024

Key Facts

Patch immediately

CVE-2021-33690 is a critical-severity vulnerability (CVSS 9.9 v3.1) affecting Netweaver Development Infrastructure (Sap), SAP NetWeaver Development Infrastructure (Component Build Service).
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Dec 10, 2023. No public exploit code is known.
EPSS estimates a 69% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.9

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

69%

Higher than 99.3% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

None known

Get the full CVE-2021-33690 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Jan 22, 2024	n/a	Not reported
CIRCL KEV	Dec 10, 2023	n/a	Not reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

7 affected entries in total

Product	Affected versions	Fixed in
Netweaver Development InfrastructureSap	7.11, 7.20, 7.30, 7.31, 7.40, 7.50	n/a
SAP NetWeaver Development Infrastructure (Component Build Service)	>= < 7.11	n/a

Timeline

Publicly disclosed
Sep 15, 2021
Added to CIRCL KEV
Dec 10, 2023
Added to Industry KEV feed
Jan 22, 2024
Last updated
Nov 21, 2024

Weakness Type

CWE-918 Server-Side Request Forgery (SSRF)

References

patchhttps://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=582222806
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report

7 more references in the full CVE brief

FAQ

Common Questions.

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 prox…
Affected: Netweaver Development Infrastructure (Sap) versions 7.11, 7.20, 7.30, 7.31, 7.40, 7.50; SAP NetWeaver Development Infrastructure (Component Build Service) versions >= < 7.11. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Dec 10, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2021-33690 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.