← Vulnerability feed

Vulnerability record · CVE-2021-33691 · published 15 September 2021

CVE-2021-33691: Sap netweaver development infrastructure cross-site scripting vulnerability

Sap · Netweaver Development Infrastructure

NWDI Notification Service versions - 7.31, 7.40, 7.50, does not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability.SAP NetWeaver Development Infrastructure Notification Service allows a threat actor to send crafted scripts to a victim. If the victim has an active session when the crafted script gets executed, the threat actor could compromise information in victims session, and gain access to some sensitive information also.

6.1 CVSS 3.1 Medium EPSS 0.64% · top 51.5% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

NWDI Notification Service versions - 7.31, 7.40, 7.50, does not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability.SAP NetWeaver Development Infrastructure Notification Service allows a threat actor to send crafted scripts to a victim. If the victim has an active session when the crafted script gets executed, the threat actor could compromise information in victims session, and gain access to some sensitive information also.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://launchpad.support.sap.com/#/notes/3073450 Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=582222806 PatchVendor Advisory
https://launchpad.support.sap.com/#/notes/3073450 Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=582222806 PatchVendor Advisory

Track CVE-2021-33691 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2021-33690SAP NetWeaver Development Infrastructure Build Service SSRFThe SAP NetWeaver Development Infrastructure Component Build Service is affected by a server-side request forgery flaw in versions 7.11, 7.20, 7.30, …EPSS 69%analysed9.3CVE-2013-6820Sap netweaver development infrastructure vulnerabilityUnrestricted file upload vulnerability in the SAP NetWeaver Development Infrastructure (NWDI) allows remote attackers to execute arbitrary code by up…EPSS 3.6%6.1CVE-2022-29618Sap netweaver development infrastructure cross-site scripting vulnerabilityDue to insufficient input validation, SAP NetWeaver Development Infrastructure (Design Time Repository) - versions 7.30, 7.31, 7.40, 7.50, allows an …EPSS 1.1%6.1CVE-2026-42897Microsoft Exchange Server XSS enables spoofingMicrosoft Exchange Server and Exchange Server Subscription Edition fail to neutralize input during web page generation, a cross-site scripting flaw (…KEVEPSS 0.52%analysed6.1CVE-2025-48700Zimbra Classic UI stored XSS via crafted email HTMLZimbra Collaboration Suite Classic UI fails to properly sanitize HTML content in email messages, allowing crafted tag structures and attribute values…KEVEPSS 1.7%analysed6.1CVE-2025-66376Zimbra Collaboration Classic UI stored XSS via CSS @import in emailZimbra Collaboration Suite 10 before 10.0.18 and 10.1 before 10.1.13 allows stored cross-site scripting in the Classic UI through CSS @import directi…KEVEPSS 20%analysed6.1CVE-2025-68461Roundcube Webmail XSS via SVG animate tagRoundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is vulnerable to cross-site scripting through the animate tag in an SVG document. Because the f…KEVEPSS 27%analysed10.0CVE-2026-22769Dell RecoverPoint for Virtual Machines hardcoded credential flawDell RecoverPoint for Virtual Machines versions prior to 6.0.3.1 HF1 contain a hardcoded credential vulnerability (CWE-798). An unauthenticated remot…KEVEPSS 13%analysed

Source: NIST National Vulnerability Database (record CVE-2021-33691), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.