CVE-2021-39271

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.

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

3.68% chance of exploitation in the next 30 days, 89th percentile

Published

2021-08-30

Updated

2024-08-04

Proof-of-concept exploits (2)

• http://packetstormsecurity.com/files/163989/BSCW-Server-Remote-Code-Execution.html
• https://seclists.org/fulldisclosure/2021/Aug/24

References

• CVE Record
• NVD entry

Related

• CVE-2021-3927
• CVE-2021-39273
• CVE-2021-39268
• CVE-2021-39274
• CVE-2021-39267
• CVE-2021-39278