CVE-2021-39271
HIGH
8.8
CVSS Score
Published: August 30, 2021 at 04:58 AM UTC
Updated: June 17, 2026 at 04:03 AM UTC
1 product affected across 1 vendorBscw Classic
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Severity
HIGH8.8
Exploit prediction
EPSS 4%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 5.0.125.1.0 ≤ v < 5.1.105.2.0 ≤ v < 5.2.47.3.0 ≤ v < 7.3.37.4.0 ≤ v < 7.4.3
Affected range stops below 5.0.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.1.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.2.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.3.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.4.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCExploitMailing ListThird Party Advisory
Source: [email protected]
http://packetstormsecurity.com/files/163989/BSCW-Server-Remote-Code-Execution.htmlx_refsource_MISCExploitMailing ListThird Party Advisory
Source: [email protected]
https://seclists.org/fulldisclosure/2021/Aug/24CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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