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Case File

CVE-2021-39271

HIGH · CVSS 8.8 EPSS 3.68% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-30 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution
External Security References
packetstormsecurity.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-39271
Severity
HIGH
CVSS
8.8
EPSS
3.68%

Original NVD 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.