Cyber Resilience

CVE-2024-40512

HighPublic PoC

Published: 27 September 2024

Published
27 September 2024
Modified
23 April 2025
KEV Added
—
Patch
—
CVSS Score v3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.1711 95.2th percentile
Risk Priority 25 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-40512 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Openpetra Openpetra. Its CVSS base score is 7.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 4.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Deeper analysis

CVE-2024-40512 is a cross-site scripting vulnerability, tracked under CWE-79, that affects openPetra version 2023.02. The flaw resides in the serverMReporting.asmx function and carries a CVSS 3.1 base score of 7.3, reflecting network-accessible attack vectors with low complexity and no required privileges or user interaction.

An unauthenticated remote attacker can supply crafted input to the affected endpoint to trigger script execution, enabling the retrieval of sensitive information along with limited integrity and availability impacts.

A public GitHub repository provides additional technical details on the issue. The associated EPSS score has remained flat at 0.1711 with no material increase since disclosure.

EU & UK References

Vulnerability details

Cross Site Scripting vulnerability in openPetra v.2023.02 allows a remote attacker to obtain sensitive information via the serverMReporting.asmx function.

CWE(s)
CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1539 Steal Web Session Cookie Credential Access
An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.
attack.mitre.org →
Why these techniques?

XSS in public-facing web app (openPetra serverMReporting.asmx) enables exploitation (T1190) and JavaScript execution to steal authenticated users' session cookies via reflected payload in 'tab' parameter (T1539).

Affected Assets

openpetra
openpetra
2023.02

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation
addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering
addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References