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CVE-2021-4189
CVE ID
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CVE-2021-4189
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
A flaw was found in Python, specifically in the FTP (File Transfer Protocol) client library in PASV (passive) mode. The issue is how the FTP client trusts the host from the PASV response by default. This flaw allows an attacker to set up a malicious FTP server that can trick FTP clients into connecting back to a given IP address and port. This vulnerability could lead to FTP client scanning ports, which otherwise would not have been possible.
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CVSS V3 Severity and Metrics
General Information
Vendors
- debian,
- netapp,
- python,
- redhat
Products
- debian linux 10.0,
- debian linux 11.0,
- enterprise linux 8.0,
- ontap select deploy administration utility -,
- python,
- python 3.10.0,
- software collections -
References
Advisory
Miscellaneous
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
