High severity · published Aug 22, 2023
CVE-2021-30047
VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections allowed
7.5
CVSS
3.2%
EPSS
No
On KEV
Description
VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections allowed.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VS
Vsftpd · Vsftpd Project
3.0.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-30047
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-30047
Exploit
https://www.exploit-db.com/exploits/49719
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