CVE-2021-39271

Public Exploit

Description

OrbiTeam BSCW Classic before 7.4.3 allows authenticated remote code execution (RCE) during archive extraction via attacker-supplied Python code in the class attribute of a .bscw file. This is fixed in 5.0.12, 5.1.10, 5.2.4, 7.3.3, and 7.4.3.

8.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 3.98% Top 15%

Vendor Advisory bscw.de

Affected: n/a n/a

References

Link	Tags
https://www.bscw.de/en/company/	vendor advisory
https://seclists.org/fulldisclosure/2021/Aug/24	mailing list third party advisory exploit
http://packetstormsecurity.com/files/163989/BSCW-Server-Remote-Code-Execution.html	mailing list third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-39271?: CVE-2021-39271 has been scored as a high severity vulnerability.
How to fix CVE-2021-39271?: To fix CVE-2021-39271, 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-2021-39271 being actively exploited in the wild?: It is possible that CVE-2021-39271 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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