CVE-2021-45887

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An issue was discovered in PONTON X/P Messenger before 3.11.2. Due to path traversal in private/SchemaSetUpload.do for uploaded ZIP files, an executable script can be uploaded by web application administrators, giving the attacker remote code execution on the underlying server via an imgs/*.jsp URI.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-22

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.ponton.de/products/xpmessenger/Product, Vendor Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-077.txtExploit, Third Party Advisory
https://www.ponton.de/products/xpmessenger/Product, Vendor Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-077.txtExploit, Third Party Advisory

Timeline

Published: Mar 13, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

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