CVE-2020-8439

Public Exploit

Description

Monstra CMS through 3.0.4 allows remote authenticated users to take over arbitrary user accounts via a modified login parameter to an edit URI, as demonstrated by login=victim to the users/21/edit URI.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.65%
Third-Party Advisory uploadboy.me Third-Party Advisory ac.ir
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://uploadboy.me/cn40ne6p89t6/POC.mp4.html third party advisory exploit
https://cert.ikiu.ac.ir/public-files/pages/attachments/11/02630f153869936d555a79f89d717f9c.pdf third party advisory mitigation

Frequently Asked Questions

What is the severity of CVE-2020-8439?
CVE-2020-8439 has been scored as a medium severity vulnerability.
How to fix CVE-2020-8439?
To fix CVE-2020-8439, 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-2020-8439 being actively exploited in the wild?
It is possible that CVE-2020-8439 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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