What’s Vulnerable › Vulnerabilities

CVE-2021-36359

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-30 · updated 2026-06-17
• Weakness: CWE-91

Description

OrbiTeam BSCW Classic before 7.4.3 allows exportpdf authenticated remote code execution (RCE) via XML tag injection because reportlab\platypus\paraparser.py (reached via bscw.cgi op=_editfolder.EditFolder) calls eval on attacker-supplied Python code. This is fixed in 5.0.12, 5.1.10, 5.2.4, 7.3.3, and 7.4.3.

Affected products

• Bscw Classic: before 5.0.12; from 5.1.0 before 5.1.10; from 5.2.0 before 5.2.4; from 7.3.0 before 7.3.3; from 7.4.0 before 7.4.3 — fixed in 5.0.12, 5.1.10, 5.2.4, 7.3.3, 7.4.3

How to fix

Upgrade to a fixed version: Bscw Classic 5.0.12, 5.1.10, 5.2.4, 7.3.3. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/163988/BSCW-Server-XML-Injection.html
• http://seclists.org/fulldisclosure/2021/Aug/23
• https://www.bscw.de/en/company/
• http://packetstormsecurity.com/files/163988/BSCW-Server-XML-Injection.html
• http://seclists.org/fulldisclosure/2021/Aug/23
• https://www.bscw.de/en/company/

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