CVE-2021-45887

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 5.52% Top 15%
Vendor Advisory ponton.de
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.ponton.de/products/xpmessenger/ product vendor advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-077.txt third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-45887?
CVE-2021-45887 has been scored as a critical severity vulnerability.
How to fix CVE-2021-45887?
To fix CVE-2021-45887, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-45887 being actively exploited in the wild?
It is possible that CVE-2021-45887 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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