CVE-2021-33705
Published: 15 September 2021
Summary
CVE-2021-33705 is a high-severity SSRF (CWE-918) vulnerability in Sap Netweaver Portal. Its CVSS base score is 8.1 (High).
Operationally, ranked in the top 27.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-20382
Vulnerability details
The SAP NetWeaver Portal, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, component Iviews Editor contains a Server-Side Request Forgery (SSRF) vulnerability which allows an unauthenticated attacker to craft a malicious URL which when clicked by a user can…
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make any type of request (e.g. POST, GET) to any internal or external server. This can result in the accessing or modification of data accessible from the Portal but will not affect its availability.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.
Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.
Validates server-side URLs and resource references to block SSRF attempts.
Detects server-side request forgery through monitoring of unexpected outbound connections.