CVE-2021-33703 json
Under certain conditions, NetWeaver Enterprise Portal, versions - 7.30, 7.31, 7.40, 7.50, does not sufficiently encode URL parameters.
published 2021-08-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20380
- cvss
- 8.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
Under certain conditions, NetWeaver Enterprise Portal, versions - 7.30, 7.31, 7.40, 7.50, does not sufficiently encode URL parameters. An attacker can craft a malicious link and send it to a victim. A successful attack results in Reflected Cross-Site Scripting (XSS) vulnerability.
Exploit prediction
1.48% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.3 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 2.6 | AV:N/AC:H/Au:N/C:N/I:P/A:N |
Affected products
- SAP SE SAP NetWeaver Enterprise Portal (Application Extensions)
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
wiki.scn.sap.com
/wiki/pages/viewpage.action?pageId=582222806
vendor-advisory
-
launchpad.support.sap.com
/#/notes/3072920
permissions-required, vendor-advisory
-
seclists.org
/fulldisclosure/2022/Jan/71
mailing-list, third-party-advisory
-
packetstormsecurity.com
/files/165740/SAP-Enterprise-Portal-RunContentCreation-Cross-Site-Scripting.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-33703
- NVD CVE-2021-33703
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