What is the CVSS score of CVE-2021-40500?

CVE-2021-40500 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.3%.

Businessobjects Business Intelligence Platform CVE-2021-40500

HIGH

Improper Restriction of XML External Entity Reference (CWE-611)

2021-10-12 cna@sap.com

Information Disclosure XXE SAP Businessobjects Business Intelligence Platform

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Oct 12, 2021 - 15:15 nvd

HIGH 7.5

DescriptionNVD

SAP BusinessObjects Business Intelligence Platform (Crystal Reports) - versions 420, 430, allows an unauthenticated attacker to exploit missing XML validations at endpoints to read sensitive data. These endpoints are normally exposed over the network and successful exploitation can enable the attacker to retrieve arbitrary files from the server.

AnalysisAI

SAP BusinessObjects Business Intelligence Platform (Crystal Reports) - versions 420, 430, allows an unauthenticated attacker to exploit missing XML validations at endpoints to read sensitive data. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. SAP BusinessObjects Business Intelligence Platform (Crystal Reports) - versions 420, 430, allows an unauthenticated attacker to exploit missing XML validations at endpoints to read sensitive data. These endpoints are normally exposed over the network and successful exploitation can enable the attacker to retrieve arbitrary files from the server. Affected products include: Sap Businessobjects Business Intelligence Platform.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.