How severe is CVE-2020-26831?

CVE-2020-26831 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2020-26831 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26831?

CVE-2020-26831 primarily affects Sap Businessobjects Business Intelligence Platform. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-26831?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-26831 published?

CVE-2020-26831 was published on 2020-12-09 and last updated on 2026-06-17.

CVE-2020-26831

CVE-2020-26831 is a critical-severity vulnerability in Sap Businessobjects Business Intelligence Platform with a CVSS 3.x base score of 9.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
CVSS v2: 5.5
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sap Businessobjects Business Intelligence Platform
Published: 2020-12-09
Last modified: 2026-06-17

Description

SAP BusinessObjects BI Platform (Crystal Report), versions - 4.1, 4.2, 4.3, does not sufficiently validate uploaded XML entities during crystal report generation due to missing XML validation, An attacker with basic privileges can inject some arbitrary XML entities leading to internal file disclosure, internal directories disclosure, Server-Side Request Forgery (SSRF) and denial-of-service (DoS).

Frequently asked questions

What is CVE-2020-26831?: SAP BusinessObjects BI Platform (Crystal Report), versions - 4.1, 4.2, 4.3, does not sufficiently validate uploaded XML entities during crystal report generation due to missing XML validation, An attacker with basic privileges can inject some arbitrary XML entities leading to internal file disclosure, internal directories disclosure, Server-Side Request Forgery (SSRF) and denial-of-service (DoS).
How severe is CVE-2020-26831?: CVE-2020-26831 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2020-26831 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26831?: CVE-2020-26831 primarily affects Sap Businessobjects Business Intelligence Platform. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-26831?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-26831 published?: CVE-2020-26831 was published on 2020-12-09 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:sap:businessobjects_business_intelligence_platform:4.1:-:*:*:*:*:*:*
cpe:2.3:a:sap:businessobjects_business_intelligence_platform:4.2:-:*:*:*:*:*:*
cpe:2.3:a:sap:businessobjects_business_intelligence_platform:4.3:*:*:*:*:*:*:*

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