What is CVE-2021-33673?

CVE-2021-33673 is a medium-severity vulnerability in SAP Contact Center, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-14.

How severe is CVE-2021-33673?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in SAP Contact Center

CVE-2021-33673

Under certain conditions, SAP Contact Center - version 700,does not sufficiently encode user-controlled inputs and persists in them. This allows an attacker to exploit a Stored Cross-Site Scripting (XSS) vulnerability when a user browses through the employee directory and to execute arbitrary code on the victim's browser. Due to the usage of ActiveX in the application, the attacker can further execute operating system level commands.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-09-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

SAP Contact Center — versions 700
SAP Se Contact Center — versions < 700

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wiki.scn.sap.com/wiki/pages/viewpage.action (Vendor Advisory)
launchpad.support.sap.com/ (Permissions Required)

Frequently asked questions

What is CVE-2021-33673?: CVE-2021-33673 is a medium-severity vulnerability in SAP Contact Center, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-14.
How severe is CVE-2021-33673?: Medium severity. CVSS v3 base score is 6.1 out of 10.