CVE-2021-39271
Last modified
CVE-2021-39271 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 3.68% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bscw | Bscw Classic | < 5.0.12 |
| Bscw | Bscw Classic | >= 5.1.0, < 5.1.10 |
| Bscw | Bscw Classic | >= 5.2.0, < 5.2.4 |
| Bscw | Bscw Classic | >= 7.3.0, < 7.3.3 |
| Bscw | Bscw Classic | >= 7.4.0, < 7.4.3 |
References
- http://packetstormsecurity.com/files/163989/BSCW-Server-Remote-Code-Execution.htmlExploit, Mailing List, Third Party Advisory
- https://seclists.org/fulldisclosure/2021/Aug/24Exploit, Mailing List, Third Party Advisory
- https://www.bscw.de/en/company/Vendor Advisory
- http://packetstormsecurity.com/files/163989/BSCW-Server-Remote-Code-Execution.htmlExploit, Mailing List, Third Party Advisory
- https://seclists.org/fulldisclosure/2021/Aug/24Exploit, Mailing List, Third Party Advisory
- https://www.bscw.de/en/company/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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