CVE-2021-39243

Public Exploit

Description

Cross-Site Request Forgery (CSRF) exists on Altus Nexto, Nexto Xpress, and Hadron Xtorm devices via any CGI endpoint. This affects Nexto NX3003 1.8.11.0, Nexto NX3004 1.8.11.0, Nexto NX3005 1.8.11.0, Nexto NX3010 1.8.3.0, Nexto NX3020 1.8.3.0, Nexto NX3030 1.8.3.0, Nexto NX5100 1.8.11.0, Nexto NX5101 1.8.11.0, Nexto NX5110 1.1.2.8, Nexto NX5210 1.1.2.8, Nexto Xpress XP300 1.8.11.0, Nexto Xpress XP315 1.8.11.0, Nexto Xpress XP325 1.8.11.0, Nexto Xpress XP340 1.8.11.0, and Hadron Xtorm HX3040 1.7.58.0.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory com.br
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.altus.com.br/ vendor advisory
http://seclists.org/fulldisclosure/2021/Aug/21 mailing list exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-39243?
CVE-2021-39243 has been scored as a medium severity vulnerability.
How to fix CVE-2021-39243?
To fix CVE-2021-39243, 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-2021-39243 being actively exploited in the wild?
It is possible that CVE-2021-39243 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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