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CVE-2020-26831 XML external entity in SAP BusinessObjects BI Platform (Crystal Report)

Critical 9.6 Published Updated

An attacker with basic privileges can inject XML entities to disclose internal files, directories, and cause SSRF or DoS in SAP BusinessObjects.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-26831?

CVE-2020-26831 is a critical vulnerability in Sap Businessobjects Business Intelligence Platform, published on 9 Dec 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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).

Which versions are affected by CVE-2020-26831?

It affects 1 product.

Products include Sap Businessobjects Business Intelligence Platform.

How do I fix CVE-2020-26831?

No fix has been published for CVE-2020-26831 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-26831 being exploited?

There is no known exploitation of CVE-2020-26831 in the wild and no public exploit code.

All Sap Businessobjects Business Intelligence Platform vulnerabilities

Sources

Also known as GHSA-m3cm-h6wg-q547.

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