How severe is CVE-2021-21444?

CVE-2021-21444 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-21444 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-21444?

CVE-2021-21444 primarily affects Sap Businessobjects Business Intelligence. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-21444?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-21444 published?

CVE-2021-21444 was published on 2021-02-09 and last updated on 2026-06-17.

CVE-2021-21444

CVE-2021-21444 is a medium-severity vulnerability in Sap Businessobjects Business Intelligence with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1021.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1021
Affected product: Sap Businessobjects Business Intelligence
Published: 2021-02-09
Last modified: 2026-06-17

Description

SAP Business Objects BI Platform, versions - 410, 420, 430, allows multiple X-Frame-Options headers entries in the response headers, which may not be predictably treated by all user agents. This could, as a result, nullify the added X-Frame-Options header leading to Clickjacking attack.

Frequently asked questions

What is CVE-2021-21444?: SAP Business Objects BI Platform, versions - 410, 420, 430, allows multiple X-Frame-Options headers entries in the response headers, which may not be predictably treated by all user agents. This could, as a result, nullify the added X-Frame-Options header leading to Clickjacking attack.
How severe is CVE-2021-21444?: CVE-2021-21444 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-21444 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21444?: CVE-2021-21444 primarily affects Sap Businessobjects Business Intelligence. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-21444?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-21444 published?: CVE-2021-21444 was published on 2021-02-09 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:sap:businessobjects_business_intelligence:410:*:*:*:*:*:*:*
cpe:2.3:a:sap:businessobjects_business_intelligence:420:*:*:*:*:*:*:*
cpe:2.3:a:sap:businessobjects_business_intelligence:430:*:*:*:*:*:*:*

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