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Case File

CVE-2021-27931

CRITICAL · CVSS 9.1 EPSS 18.13% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-03 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 18.1% probability of exploitation in the next 30 days. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-27931
Severity
CRITICAL
CVSS
9.1
EPSS
18.13%

Original NVD Description

LumisXP (aka Lumis Experience Platform) before 10.0.0 allows unauthenticated blind XXE via an API request to PageControllerXml.jsp. One can send a request crafted with an XXE payload and achieve outcomes such as reading local server files or denial of service.