CVE-2021-39271

PoC ×2—

CVSS 3.1

8.8 high

EPSS

4%p89

Published

Aug 30, 2021 (Aug 30, 2021)

Modified

Jun 17, 2026

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.

Vendors: bscw
Products: bscw classic
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (3.7%)

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