CVE-2021-21447Network attack vector

Stored script execution via unvalidated Input Control value

Published Jan 12, 2021 · Updated Aug 3, 2024

Stored XSS in SAP BusinessObjects Business Intelligence Platform 410 and 420 allows remote authenticated users to run JavaScript in viewers' browsers. The Web Intelligence HTML interface stores a malicious custom value in an Input Control without neutralizing it before rendering application content. An attacker needs a platform account and a user must view the affected content, enabling browser-context data access or modification.

CVSS severity5.4
Medium
EPSS probability0.53%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Stored XSS in SAP BusinessObjects Business Intelligence Platform 410 and 420 allows remote authenticated users to run JavaScript in viewers' browsers. The Web Intelligence HTML interface stores a malicious custom value in an Input Control without neutralizing it before rendering application content. An attacker needs a platform account and a user must view the affected content, enabling browser-context data access or modification.

The record

CVE
CVE-2021-21447
Published
Jan 12, 2021
Updated
Aug 3, 2024
Vendor
SAP SE
Product
SAP BusinessObjects Business Intelligence Platform
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 12, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 410
  2. Affected versionversion=< 420

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

SAP SE · SAP BusinessObjects Business Intelligence Platformversion=< 410; version=< 420

Published CVSS scores

3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
5.4SAP SECVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo