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Vulnerability record · CVE-2021-27931 · published 3 March 2021

CVE-2021-27931: Lumis experience platform xml external entity (xxe) vulnerability

Lumis · Lumis Experience Platform

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.

9.1 CVSS 3.1 Critical EPSS 18% · top 2.9% CWE-611 · XML external entity (XXE)
9.1CVSS 3.1 base score, v2 6.4
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by 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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/sl4cky/LumisXP-XXE---POC/blob/main/poc.txt ExploitThird Party Advisory
https://github.com/sl4cky/LumisXP-XXE---POC/blob/main/poc.txt ExploitThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-27931), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.